web-features
Version:
Curated list of Web platform features
1 lines • 1.26 MB
JSON
{"browsers":{"chrome":{"name":"Chrome","releases":[{"date":"2008-12-11","version":"1"},{"date":"2009-05-21","version":"2"},{"date":"2009-09-15","version":"3"},{"date":"2010-01-25","version":"4"},{"date":"2010-05-25","version":"5"},{"date":"2010-09-02","version":"6"},{"date":"2010-10-19","version":"7"},{"date":"2010-12-02","version":"8"},{"date":"2011-02-03","version":"9"},{"date":"2011-03-08","version":"10"},{"date":"2011-04-27","version":"11"},{"date":"2011-06-07","version":"12"},{"date":"2011-08-02","version":"13"},{"date":"2011-09-16","version":"14"},{"date":"2011-10-25","version":"15"},{"date":"2011-12-13","version":"16"},{"date":"2012-02-08","version":"17"},{"date":"2012-03-28","version":"18"},{"date":"2012-05-15","version":"19"},{"date":"2012-06-26","version":"20"},{"date":"2012-07-31","version":"21"},{"date":"2012-09-25","version":"22"},{"date":"2012-11-06","version":"23"},{"date":"2013-01-10","version":"24"},{"date":"2013-02-21","version":"25"},{"date":"2013-03-26","version":"26"},{"date":"2013-05-21","version":"27"},{"date":"2013-07-09","version":"28"},{"date":"2013-08-20","version":"29"},{"date":"2013-10-01","version":"30"},{"date":"2013-11-12","version":"31"},{"date":"2014-01-14","version":"32"},{"date":"2014-02-20","version":"33"},{"date":"2014-04-08","version":"34"},{"date":"2014-05-20","version":"35"},{"date":"2014-07-16","version":"36"},{"date":"2014-08-26","version":"37"},{"date":"2014-10-07","version":"38"},{"date":"2014-11-18","version":"39"},{"date":"2015-01-21","version":"40"},{"date":"2015-03-03","version":"41"},{"date":"2015-04-14","version":"42"},{"date":"2015-05-19","version":"43"},{"date":"2015-07-21","version":"44"},{"date":"2015-09-01","version":"45"},{"date":"2015-10-13","version":"46"},{"date":"2015-12-01","version":"47"},{"date":"2016-01-20","version":"48"},{"date":"2016-03-02","version":"49"},{"date":"2016-04-13","version":"50"},{"date":"2016-05-25","version":"51"},{"date":"2016-07-20","version":"52"},{"date":"2016-08-31","version":"53"},{"date":"2016-10-12","version":"54"},{"date":"2016-12-01","version":"55"},{"date":"2017-01-25","version":"56"},{"date":"2017-03-09","version":"57"},{"date":"2017-04-19","version":"58"},{"date":"2017-06-05","version":"59"},{"date":"2017-07-25","version":"60"},{"date":"2017-09-05","version":"61"},{"date":"2017-10-17","version":"62"},{"date":"2017-12-06","version":"63"},{"date":"2018-01-23","version":"64"},{"date":"2018-03-06","version":"65"},{"date":"2018-04-17","version":"66"},{"date":"2018-05-29","version":"67"},{"date":"2018-07-24","version":"68"},{"date":"2018-09-04","version":"69"},{"date":"2018-10-16","version":"70"},{"date":"2018-12-04","version":"71"},{"date":"2019-01-29","version":"72"},{"date":"2019-03-12","version":"73"},{"date":"2019-04-23","version":"74"},{"date":"2019-06-04","version":"75"},{"date":"2019-07-30","version":"76"},{"date":"2019-09-10","version":"77"},{"date":"2019-10-22","version":"78"},{"date":"2019-12-10","version":"79"},{"date":"2020-02-04","version":"80"},{"date":"2020-04-07","version":"81"},{"date":"2020-05-19","version":"83"},{"date":"2020-07-27","version":"84"},{"date":"2020-08-25","version":"85"},{"date":"2020-10-20","version":"86"},{"date":"2020-11-17","version":"87"},{"date":"2021-01-19","version":"88"},{"date":"2021-03-02","version":"89"},{"date":"2021-04-13","version":"90"},{"date":"2021-05-25","version":"91"},{"date":"2021-07-20","version":"92"},{"date":"2021-08-31","version":"93"},{"date":"2021-09-21","version":"94"},{"date":"2021-10-19","version":"95"},{"date":"2021-11-15","version":"96"},{"date":"2022-01-04","version":"97"},{"date":"2022-02-01","version":"98"},{"date":"2022-03-01","version":"99"},{"date":"2022-03-29","version":"100"},{"date":"2022-04-26","version":"101"},{"date":"2022-05-24","version":"102"},{"date":"2022-06-21","version":"103"},{"date":"2022-08-02","version":"104"},{"date":"2022-09-02","version":"105"},{"date":"2022-09-27","version":"106"},{"date":"2022-10-25","version":"107"},{"date":"2022-11-29","version":"108"},{"date":"2023-01-10","version":"109"},{"date":"2023-02-07","version":"110"},{"date":"2023-03-07","version":"111"},{"date":"2023-04-04","version":"112"},{"date":"2023-05-02","version":"113"},{"date":"2023-05-30","version":"114"},{"date":"2023-07-18","version":"115"},{"date":"2023-08-15","version":"116"},{"date":"2023-09-12","version":"117"},{"date":"2023-10-10","version":"118"},{"date":"2023-10-31","version":"119"},{"date":"2023-12-05","version":"120"},{"date":"2024-01-23","version":"121"},{"date":"2024-02-20","version":"122"},{"date":"2024-03-19","version":"123"},{"date":"2024-04-16","version":"124"},{"date":"2024-05-14","version":"125"},{"date":"2024-06-11","version":"126"},{"date":"2024-07-23","version":"127"},{"date":"2024-08-20","version":"128"},{"date":"2024-09-17","version":"129"},{"date":"2024-10-15","version":"130"},{"date":"2024-11-12","version":"131"},{"date":"2025-01-14","version":"132"},{"date":"2025-02-04","version":"133"}]},"chrome_android":{"name":"Chrome Android","releases":[{"date":"2012-06-27","version":"18"},{"date":"2013-02-27","version":"25"},{"date":"2013-04-03","version":"26"},{"date":"2013-05-22","version":"27"},{"date":"2013-07-10","version":"28"},{"date":"2013-08-21","version":"29"},{"date":"2013-10-02","version":"30"},{"date":"2013-11-14","version":"31"},{"date":"2014-01-15","version":"32"},{"date":"2014-02-26","version":"33"},{"date":"2014-04-02","version":"34"},{"date":"2014-05-20","version":"35"},{"date":"2014-07-16","version":"36"},{"date":"2014-09-03","version":"37"},{"date":"2014-10-08","version":"38"},{"date":"2014-11-12","version":"39"},{"date":"2015-01-21","version":"40"},{"date":"2015-03-11","version":"41"},{"date":"2015-04-15","version":"42"},{"date":"2015-05-27","version":"43"},{"date":"2015-07-29","version":"44"},{"date":"2015-09-01","version":"45"},{"date":"2015-10-14","version":"46"},{"date":"2015-12-02","version":"47"},{"date":"2016-01-26","version":"48"},{"date":"2016-03-09","version":"49"},{"date":"2016-04-13","version":"50"},{"date":"2016-06-08","version":"51"},{"date":"2016-07-27","version":"52"},{"date":"2016-09-07","version":"53"},{"date":"2016-10-19","version":"54"},{"date":"2016-12-06","version":"55"},{"date":"2017-02-01","version":"56"},{"date":"2017-03-16","version":"57"},{"date":"2017-04-25","version":"58"},{"date":"2017-06-06","version":"59"},{"date":"2017-08-01","version":"60"},{"date":"2017-09-05","version":"61"},{"date":"2017-10-24","version":"62"},{"date":"2017-12-05","version":"63"},{"date":"2018-01-23","version":"64"},{"date":"2018-03-06","version":"65"},{"date":"2018-04-17","version":"66"},{"date":"2018-05-31","version":"67"},{"date":"2018-07-24","version":"68"},{"date":"2018-09-04","version":"69"},{"date":"2018-10-17","version":"70"},{"date":"2018-12-04","version":"71"},{"date":"2019-01-29","version":"72"},{"date":"2019-03-12","version":"73"},{"date":"2019-04-24","version":"74"},{"date":"2019-06-04","version":"75"},{"date":"2019-07-30","version":"76"},{"date":"2019-09-10","version":"77"},{"date":"2019-10-22","version":"78"},{"date":"2019-12-17","version":"79"},{"date":"2020-02-04","version":"80"},{"date":"2020-04-07","version":"81"},{"date":"2020-05-19","version":"83"},{"date":"2020-07-27","version":"84"},{"date":"2020-08-25","version":"85"},{"date":"2020-10-20","version":"86"},{"date":"2020-11-17","version":"87"},{"date":"2021-01-19","version":"88"},{"date":"2021-03-02","version":"89"},{"date":"2021-04-13","version":"90"},{"date":"2021-05-25","version":"91"},{"date":"2021-07-20","version":"92"},{"date":"2021-08-31","version":"93"},{"date":"2021-09-21","version":"94"},{"date":"2021-10-19","version":"95"},{"date":"2021-11-15","version":"96"},{"date":"2022-01-04","version":"97"},{"date":"2022-02-01","version":"98"},{"date":"2022-03-01","version":"99"},{"date":"2022-03-29","version":"100"},{"date":"2022-04-26","version":"101"},{"date":"2022-05-24","version":"102"},{"date":"2022-06-21","version":"103"},{"date":"2022-08-02","version":"104"},{"date":"2022-09-02","version":"105"},{"date":"2022-09-27","version":"106"},{"date":"2022-10-25","version":"107"},{"date":"2022-11-29","version":"108"},{"date":"2023-01-10","version":"109"},{"date":"2023-02-07","version":"110"},{"date":"2023-03-07","version":"111"},{"date":"2023-04-04","version":"112"},{"date":"2023-05-02","version":"113"},{"date":"2023-05-30","version":"114"},{"date":"2023-07-21","version":"115"},{"date":"2023-08-15","version":"116"},{"date":"2023-09-12","version":"117"},{"date":"2023-10-10","version":"118"},{"date":"2023-10-31","version":"119"},{"date":"2023-12-05","version":"120"},{"date":"2024-01-23","version":"121"},{"date":"2024-02-20","version":"122"},{"date":"2024-03-19","version":"123"},{"date":"2024-04-16","version":"124"},{"date":"2024-05-14","version":"125"},{"date":"2024-06-11","version":"126"},{"date":"2024-07-23","version":"127"},{"date":"2024-08-20","version":"128"},{"date":"2024-09-17","version":"129"},{"date":"2024-10-15","version":"130"},{"date":"2024-11-12","version":"131"},{"date":"2025-01-14","version":"132"},{"date":"2025-02-04","version":"133"}]},"edge":{"name":"Edge","releases":[{"date":"2015-07-29","version":"12"},{"date":"2015-11-12","version":"13"},{"date":"2016-08-02","version":"14"},{"date":"2017-04-05","version":"15"},{"date":"2017-10-17","version":"16"},{"date":"2018-04-30","version":"17"},{"date":"2018-10-02","version":"18"},{"date":"2020-01-15","version":"79"},{"date":"2020-02-07","version":"80"},{"date":"2020-04-13","version":"81"},{"date":"2020-05-21","version":"83"},{"date":"2020-07-16","version":"84"},{"date":"2020-08-27","version":"85"},{"date":"2020-10-09","version":"86"},{"date":"2020-11-19","version":"87"},{"date":"2021-01-21","version":"88"},{"date":"2021-03-04","version":"89"},{"date":"2021-04-15","version":"90"},{"date":"2021-05-27","version":"91"},{"date":"2021-07-22","version":"92"},{"date":"2021-09-02","version":"93"},{"date":"2021-09-24","version":"94"},{"date":"2021-10-21","version":"95"},{"date":"2021-11-19","version":"96"},{"date":"2022-01-06","version":"97"},{"date":"2022-02-03","version":"98"},{"date":"2022-03-03","version":"99"},{"date":"2022-04-01","version":"100"},{"date":"2022-04-28","version":"101"},{"date":"2022-05-31","version":"102"},{"date":"2022-06-23","version":"103"},{"date":"2022-08-05","version":"104"},{"date":"2022-09-01","version":"105"},{"date":"2022-10-03","version":"106"},{"date":"2022-10-27","version":"107"},{"date":"2022-12-05","version":"108"},{"date":"2023-01-12","version":"109"},{"date":"2023-02-09","version":"110"},{"date":"2023-03-13","version":"111"},{"date":"2023-04-06","version":"112"},{"date":"2023-05-05","version":"113"},{"date":"2023-06-02","version":"114"},{"date":"2023-07-21","version":"115"},{"date":"2023-08-21","version":"116"},{"date":"2023-09-15","version":"117"},{"date":"2023-10-13","version":"118"},{"date":"2023-11-02","version":"119"},{"date":"2023-12-07","version":"120"},{"date":"2024-01-25","version":"121"},{"date":"2024-02-23","version":"122"},{"date":"2024-03-22","version":"123"},{"date":"2024-04-18","version":"124"},{"date":"2024-05-17","version":"125"},{"date":"2024-06-13","version":"126"},{"date":"2024-07-25","version":"127"},{"date":"2024-08-22","version":"128"},{"date":"2024-09-19","version":"129"},{"date":"2024-10-17","version":"130"},{"date":"2024-11-14","version":"131"},{"date":"2025-01-17","version":"132"},{"date":"2025-02-06","version":"133"}]},"firefox":{"name":"Firefox","releases":[{"date":"2004-11-09","version":"1"},{"date":"2005-11-29","version":"1.5"},{"date":"2006-10-24","version":"2"},{"date":"2008-06-17","version":"3"},{"date":"2009-06-30","version":"3.5"},{"date":"2010-01-21","version":"3.6"},{"date":"2011-03-22","version":"4"},{"date":"2011-06-21","version":"5"},{"date":"2011-08-16","version":"6"},{"date":"2011-09-27","version":"7"},{"date":"2011-11-08","version":"8"},{"date":"2011-12-20","version":"9"},{"date":"2012-01-31","version":"10"},{"date":"2012-03-13","version":"11"},{"date":"2012-04-24","version":"12"},{"date":"2012-06-05","version":"13"},{"date":"2012-07-17","version":"14"},{"date":"2012-08-28","version":"15"},{"date":"2012-10-09","version":"16"},{"date":"2012-11-20","version":"17"},{"date":"2013-01-08","version":"18"},{"date":"2013-02-19","version":"19"},{"date":"2013-04-02","version":"20"},{"date":"2013-05-14","version":"21"},{"date":"2013-06-25","version":"22"},{"date":"2013-08-06","version":"23"},{"date":"2013-09-17","version":"24"},{"date":"2013-10-29","version":"25"},{"date":"2013-12-10","version":"26"},{"date":"2014-02-04","version":"27"},{"date":"2014-03-18","version":"28"},{"date":"2014-04-29","version":"29"},{"date":"2014-06-10","version":"30"},{"date":"2014-07-22","version":"31"},{"date":"2014-09-02","version":"32"},{"date":"2014-10-14","version":"33"},{"date":"2014-12-01","version":"34"},{"date":"2015-01-13","version":"35"},{"date":"2015-02-24","version":"36"},{"date":"2015-03-31","version":"37"},{"date":"2015-05-12","version":"38"},{"date":"2015-07-02","version":"39"},{"date":"2015-08-11","version":"40"},{"date":"2015-09-22","version":"41"},{"date":"2015-11-03","version":"42"},{"date":"2015-12-15","version":"43"},{"date":"2016-01-26","version":"44"},{"date":"2016-03-08","version":"45"},{"date":"2016-04-26","version":"46"},{"date":"2016-06-07","version":"47"},{"date":"2016-08-02","version":"48"},{"date":"2016-09-20","version":"49"},{"date":"2016-11-15","version":"50"},{"date":"2017-01-24","version":"51"},{"date":"2017-03-07","version":"52"},{"date":"2017-04-19","version":"53"},{"date":"2017-06-13","version":"54"},{"date":"2017-08-08","version":"55"},{"date":"2017-09-28","version":"56"},{"date":"2017-11-14","version":"57"},{"date":"2018-01-23","version":"58"},{"date":"2018-03-13","version":"59"},{"date":"2018-05-09","version":"60"},{"date":"2018-06-26","version":"61"},{"date":"2018-09-05","version":"62"},{"date":"2018-10-23","version":"63"},{"date":"2018-12-11","version":"64"},{"date":"2019-01-29","version":"65"},{"date":"2019-03-19","version":"66"},{"date":"2019-05-21","version":"67"},{"date":"2019-07-09","version":"68"},{"date":"2019-09-03","version":"69"},{"date":"2019-10-22","version":"70"},{"date":"2019-12-10","version":"71"},{"date":"2020-01-07","version":"72"},{"date":"2020-02-11","version":"73"},{"date":"2020-03-10","version":"74"},{"date":"2020-04-07","version":"75"},{"date":"2020-05-05","version":"76"},{"date":"2020-06-02","version":"77"},{"date":"2020-06-30","version":"78"},{"date":"2020-07-28","version":"79"},{"date":"2020-08-25","version":"80"},{"date":"2020-09-22","version":"81"},{"date":"2020-10-20","version":"82"},{"date":"2020-11-17","version":"83"},{"date":"2020-12-15","version":"84"},{"date":"2021-01-26","version":"85"},{"date":"2021-02-23","version":"86"},{"date":"2021-03-23","version":"87"},{"date":"2021-04-19","version":"88"},{"date":"2021-06-01","version":"89"},{"date":"2021-07-13","version":"90"},{"date":"2021-08-10","version":"91"},{"date":"2021-09-07","version":"92"},{"date":"2021-10-05","version":"93"},{"date":"2021-11-02","version":"94"},{"date":"2021-12-07","version":"95"},{"date":"2022-01-11","version":"96"},{"date":"2022-02-08","version":"97"},{"date":"2022-03-08","version":"98"},{"date":"2022-04-05","version":"99"},{"date":"2022-05-03","version":"100"},{"date":"2022-05-31","version":"101"},{"date":"2022-06-28","version":"102"},{"date":"2022-07-26","version":"103"},{"date":"2022-08-23","version":"104"},{"date":"2022-09-20","version":"105"},{"date":"2022-10-18","version":"106"},{"date":"2022-11-15","version":"107"},{"date":"2022-12-13","version":"108"},{"date":"2023-01-17","version":"109"},{"date":"2023-02-14","version":"110"},{"date":"2023-03-14","version":"111"},{"date":"2023-04-11","version":"112"},{"date":"2023-05-09","version":"113"},{"date":"2023-06-06","version":"114"},{"date":"2023-07-04","version":"115"},{"date":"2023-08-01","version":"116"},{"date":"2023-08-29","version":"117"},{"date":"2023-09-26","version":"118"},{"date":"2023-10-24","version":"119"},{"date":"2023-11-21","version":"120"},{"date":"2023-12-19","version":"121"},{"date":"2024-01-23","version":"122"},{"date":"2024-02-20","version":"123"},{"date":"2024-03-19","version":"124"},{"date":"2024-04-16","version":"125"},{"date":"2024-05-14","version":"126"},{"date":"2024-06-11","version":"127"},{"date":"2024-07-09","version":"128"},{"date":"2024-08-06","version":"129"},{"date":"2024-09-03","version":"130"},{"date":"2024-10-01","version":"131"},{"date":"2024-10-29","version":"132"},{"date":"2024-11-26","version":"133"},{"date":"2025-01-07","version":"134"},{"date":"2025-02-04","version":"135"}]},"firefox_android":{"name":"Firefox for Android","releases":[{"date":"2011-03-29","version":"4"},{"date":"2011-06-21","version":"5"},{"date":"2011-08-16","version":"6"},{"date":"2011-09-27","version":"7"},{"date":"2011-11-08","version":"8"},{"date":"2011-12-21","version":"9"},{"date":"2012-01-31","version":"10"},{"date":"2012-06-26","version":"14"},{"date":"2012-08-28","version":"15"},{"date":"2012-10-09","version":"16"},{"date":"2012-11-20","version":"17"},{"date":"2013-01-08","version":"18"},{"date":"2013-02-19","version":"19"},{"date":"2013-04-02","version":"20"},{"date":"2013-05-14","version":"21"},{"date":"2013-06-25","version":"22"},{"date":"2013-08-06","version":"23"},{"date":"2013-09-17","version":"24"},{"date":"2013-10-29","version":"25"},{"date":"2013-12-10","version":"26"},{"date":"2014-02-04","version":"27"},{"date":"2014-03-18","version":"28"},{"date":"2014-04-29","version":"29"},{"date":"2014-06-10","version":"30"},{"date":"2014-07-22","version":"31"},{"date":"2014-09-02","version":"32"},{"date":"2014-10-14","version":"33"},{"date":"2014-12-01","version":"34"},{"date":"2015-01-13","version":"35"},{"date":"2015-02-27","version":"36"},{"date":"2015-03-31","version":"37"},{"date":"2015-05-12","version":"38"},{"date":"2015-07-02","version":"39"},{"date":"2015-08-11","version":"40"},{"date":"2015-09-22","version":"41"},{"date":"2015-11-03","version":"42"},{"date":"2015-12-15","version":"43"},{"date":"2016-01-26","version":"44"},{"date":"2016-03-08","version":"45"},{"date":"2016-04-26","version":"46"},{"date":"2016-06-07","version":"47"},{"date":"2016-08-02","version":"48"},{"date":"2016-09-20","version":"49"},{"date":"2016-11-15","version":"50"},{"date":"2017-01-24","version":"51"},{"date":"2017-03-07","version":"52"},{"date":"2017-04-19","version":"53"},{"date":"2017-06-13","version":"54"},{"date":"2017-08-08","version":"55"},{"date":"2017-09-28","version":"56"},{"date":"2017-11-28","version":"57"},{"date":"2018-01-22","version":"58"},{"date":"2018-03-13","version":"59"},{"date":"2018-05-09","version":"60"},{"date":"2018-06-26","version":"61"},{"date":"2018-09-05","version":"62"},{"date":"2018-10-23","version":"63"},{"date":"2018-12-11","version":"64"},{"date":"2019-01-29","version":"65"},{"date":"2019-03-19","version":"66"},{"date":"2019-05-21","version":"67"},{"date":"2019-07-09","version":"68"},{"date":"2020-07-28","version":"79"},{"date":"2020-08-31","version":"80"},{"date":"2020-09-22","version":"81"},{"date":"2020-10-20","version":"82"},{"date":"2020-11-17","version":"83"},{"date":"2020-12-15","version":"84"},{"date":"2021-01-26","version":"85"},{"date":"2021-02-23","version":"86"},{"date":"2021-03-23","version":"87"},{"date":"2021-04-19","version":"88"},{"date":"2021-06-01","version":"89"},{"date":"2021-07-13","version":"90"},{"date":"2021-08-10","version":"91"},{"date":"2021-09-07","version":"92"},{"date":"2021-10-05","version":"93"},{"date":"2021-11-02","version":"94"},{"date":"2021-12-07","version":"95"},{"date":"2022-01-11","version":"96"},{"date":"2022-02-08","version":"97"},{"date":"2022-03-08","version":"98"},{"date":"2022-04-05","version":"99"},{"date":"2022-05-03","version":"100"},{"date":"2022-05-31","version":"101"},{"date":"2022-06-28","version":"102"},{"date":"2022-07-26","version":"103"},{"date":"2022-08-23","version":"104"},{"date":"2022-09-20","version":"105"},{"date":"2022-10-18","version":"106"},{"date":"2022-11-15","version":"107"},{"date":"2022-12-13","version":"108"},{"date":"2023-01-17","version":"109"},{"date":"2023-02-14","version":"110"},{"date":"2023-03-14","version":"111"},{"date":"2023-04-11","version":"112"},{"date":"2023-05-09","version":"113"},{"date":"2023-06-06","version":"114"},{"date":"2023-07-04","version":"115"},{"date":"2023-08-01","version":"116"},{"date":"2023-08-29","version":"117"},{"date":"2023-09-26","version":"118"},{"date":"2023-10-24","version":"119"},{"date":"2023-11-21","version":"120"},{"date":"2023-12-19","version":"121"},{"date":"2024-01-23","version":"122"},{"date":"2024-02-20","version":"123"},{"date":"2024-03-19","version":"124"},{"date":"2024-04-16","version":"125"},{"date":"2024-05-14","version":"126"},{"date":"2024-06-11","version":"127"},{"date":"2024-07-09","version":"128"},{"date":"2024-08-06","version":"129"},{"date":"2024-09-03","version":"130"},{"date":"2024-10-01","version":"131"},{"date":"2024-10-29","version":"132"},{"date":"2024-11-26","version":"133"},{"date":"2025-01-07","version":"134"},{"date":"2025-02-04","version":"135"}]},"safari":{"name":"Safari","releases":[{"date":"2003-06-23","version":"1"},{"date":"2003-10-24","version":"1.1"},{"date":"2004-02-02","version":"1.2"},{"date":"2005-04-15","version":"1.3"},{"date":"2005-04-29","version":"2"},{"date":"2007-10-26","version":"3"},{"date":"2008-03-18","version":"3.1"},{"date":"2009-06-08","version":"4"},{"date":"2010-06-07","version":"5"},{"date":"2011-07-20","version":"5.1"},{"date":"2012-07-25","version":"6"},{"date":"2013-10-22","version":"7"},{"date":"2014-10-16","version":"8"},{"date":"2015-09-30","version":"9"},{"date":"2016-03-21","version":"9.1"},{"date":"2016-09-20","version":"10"},{"date":"2017-03-27","version":"10.1"},{"date":"2017-09-19","version":"11"},{"date":"2018-04-12","version":"11.1"},{"date":"2018-09-17","version":"12"},{"date":"2019-03-25","version":"12.1"},{"date":"2019-09-19","version":"13"},{"date":"2020-03-24","version":"13.1"},{"date":"2020-09-16","version":"14"},{"date":"2021-04-26","version":"14.1"},{"date":"2021-09-20","version":"15"},{"date":"2021-10-25","version":"15.1"},{"date":"2021-12-13","version":"15.2"},{"date":"2022-01-26","version":"15.3"},{"date":"2022-03-14","version":"15.4"},{"date":"2022-05-16","version":"15.5"},{"date":"2022-07-20","version":"15.6"},{"date":"2022-09-12","version":"16"},{"date":"2022-10-24","version":"16.1"},{"date":"2022-12-13","version":"16.2"},{"date":"2023-01-23","version":"16.3"},{"date":"2023-03-27","version":"16.4"},{"date":"2023-05-18","version":"16.5"},{"date":"2023-07-24","version":"16.6"},{"date":"2023-09-18","version":"17"},{"date":"2023-10-25","version":"17.1"},{"date":"2023-12-11","version":"17.2"},{"date":"2024-01-22","version":"17.3"},{"date":"2024-03-05","version":"17.4"},{"date":"2024-05-13","version":"17.5"},{"date":"2024-07-29","version":"17.6"},{"date":"2024-09-16","version":"18"},{"date":"2024-10-28","version":"18.1"},{"date":"2024-12-11","version":"18.2"},{"date":"2025-01-27","version":"18.3"}]},"safari_ios":{"name":"Safari on iOS","releases":[{"date":"2007-06-29","version":"1"},{"date":"2008-07-11","version":"2"},{"date":"2009-06-17","version":"3"},{"date":"2010-04-03","version":"3.2"},{"date":"2010-06-21","version":"4"},{"date":"2010-11-22","version":"4.2"},{"date":"2011-10-12","version":"5"},{"date":"2012-09-10","version":"6"},{"date":"2013-09-18","version":"7"},{"date":"2014-09-17","version":"8"},{"date":"2015-09-16","version":"9"},{"date":"2016-03-21","version":"9.3"},{"date":"2016-09-13","version":"10"},{"date":"2017-03-27","version":"10.3"},{"date":"2017-09-19","version":"11"},{"date":"2018-03-29","version":"11.3"},{"date":"2018-09-17","version":"12"},{"date":"2019-03-25","version":"12.2"},{"date":"2019-09-19","version":"13"},{"date":"2020-03-24","version":"13.4"},{"date":"2020-09-16","version":"14"},{"date":"2021-04-26","version":"14.5"},{"date":"2021-09-20","version":"15"},{"date":"2021-10-25","version":"15.1"},{"date":"2021-12-13","version":"15.2"},{"date":"2022-01-26","version":"15.3"},{"date":"2022-03-14","version":"15.4"},{"date":"2022-05-16","version":"15.5"},{"date":"2022-07-20","version":"15.6"},{"date":"2022-09-12","version":"16"},{"date":"2022-10-24","version":"16.1"},{"date":"2022-12-13","version":"16.2"},{"date":"2023-01-23","version":"16.3"},{"date":"2023-03-27","version":"16.4"},{"date":"2023-05-18","version":"16.5"},{"date":"2023-07-24","version":"16.6"},{"date":"2023-09-18","version":"17"},{"date":"2023-10-25","version":"17.1"},{"date":"2023-12-11","version":"17.2"},{"date":"2024-01-22","version":"17.3"},{"date":"2024-03-05","version":"17.4"},{"date":"2024-05-13","version":"17.5"},{"date":"2024-07-29","version":"17.6"},{"date":"2024-09-16","version":"18"},{"date":"2024-10-28","version":"18.1"},{"date":"2024-12-11","version":"18.2"},{"date":"2025-01-27","version":"18.3"}]}},"features":{"a":{"compat_features":["api.HTMLAnchorElement","api.HTMLAnchorElement.hash","api.HTMLAnchorElement.host","api.HTMLAnchorElement.hostname","api.HTMLAnchorElement.href","api.HTMLAnchorElement.hreflang","api.HTMLAnchorElement.origin","api.HTMLAnchorElement.password","api.HTMLAnchorElement.pathname","api.HTMLAnchorElement.port","api.HTMLAnchorElement.protocol","api.HTMLAnchorElement.rel","api.HTMLAnchorElement.relList","api.HTMLAnchorElement.search","api.HTMLAnchorElement.target","api.HTMLAnchorElement.text","api.HTMLAnchorElement.toString","api.HTMLAnchorElement.type","api.HTMLAnchorElement.username","html.elements.a","html.elements.a.href","html.elements.a.href.href_sms","html.elements.a.href.href_top","html.elements.a.hreflang","html.elements.a.implicit_noopener","html.elements.a.rel","html.elements.a.rel.noopener","html.elements.a.rel.noreferrer","html.elements.a.target","html.elements.a.type"],"description":"The <a> element creates a hyperlink to any resource that's accessible via a URL, such as web pages, files, email addresses, or locations within the same page.","description_html":"The <code><a></code> element creates a hyperlink to any resource that's accessible via a URL, such as web pages, files, email addresses, or locations within the same page.","group":"html-elements","name":"<a>","spec":"https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-a-element","status":{"baseline":"high","baseline_high_date":"2018-01-29","baseline_low_date":"2015-07-29","support":{"chrome":"1","chrome_android":"18","edge":"12","firefox":"1","firefox_android":"4","safari":"1","safari_ios":"1"}}},"abbr":{"compat_features":["html.elements.abbr"],"description":"The <abbr> HTML element represents an abbreviation or acronym.","description_html":"The <code><abbr></code> HTML element represents an abbreviation or acronym.","group":"html-elements","name":"<abbr>","spec":"https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-abbr-element","status":{"baseline":"high","baseline_high_date":"2018-01-29","baseline_low_date":"2015-07-29","support":{"chrome":"2","chrome_android":"18","edge":"12","firefox":"1","firefox_android":"4","safari":"4","safari_ios":"3.2"}}},"abortable-fetch":{"compat_features":["api.Request.signal","api.fetch.init_signal_parameter"],"description":"If you construct a fetch request with an AbortSignal, you can cancel the request.","description_html":"If you construct a fetch request with an <code>AbortSignal</code>, you can cancel the request.","name":"Abortable fetch","spec":"https://fetch.spec.whatwg.org/#ref-for-dom-request-signal%E2%91%A1","status":{"baseline":"high","baseline_high_date":"2021-09-25","baseline_low_date":"2019-03-25","support":{"chrome":"66","chrome_android":"66","edge":"16","firefox":"57","firefox_android":"57","safari":"12.1","safari_ios":"12.2"}}},"aborting":{"caniuse":"abortcontroller","compat_features":["api.AbortController","api.AbortController.AbortController","api.AbortController.abort","api.AbortController.abort.reason_parameter","api.AbortController.signal","api.AbortSignal","api.AbortSignal.abort_event","api.AbortSignal.abort_static","api.AbortSignal.abort_static.reason_parameter","api.AbortSignal.aborted","api.AbortSignal.reason","api.AbortSignal.throwIfAborted","api.AbortSignal.timeout_static"],"description":"The AbortController and AbortSignal APIs allow you to cancel an ongoing operation, such as a fetch() request.","description_html":"The <code>AbortController</code> and <code>AbortSignal</code> APIs allow you to cancel an ongoing operation, such as a <code>fetch()</code> request.","name":"AbortController and AbortSignal","spec":"https://dom.spec.whatwg.org/#aborting-ongoing-activities","status":{"baseline":"high","baseline_high_date":"2021-09-25","baseline_low_date":"2019-03-25","support":{"chrome":"66","chrome_android":"66","edge":"16","firefox":"57","firefox_android":"57","safari":"12.1","safari_ios":"12.2"}}},"abortsignal-any":{"compat_features":["api.AbortSignal.any_static"],"description":"The AbortSignal.any() static method combines an iterable of abort signals into a single signal, with the abort reason taken from the first signal to abort.","description_html":"The <code>AbortSignal.any()</code> static method combines an iterable of abort signals into a single signal, with the abort reason taken from the first signal to abort.","name":"AbortSignal.any()","spec":"https://dom.spec.whatwg.org/#dom-abortsignal-any","status":{"baseline":"low","baseline_low_date":"2024-03-19","support":{"chrome":"116","chrome_android":"116","edge":"116","firefox":"124","firefox_android":"124","safari":"17.4","safari_ios":"17.4"}}},"abs-sign":{"compat_features":["css.types.abs","css.types.sign"],"description":"The abs() and sign() CSS functions compute the absolute value or the sign of the input.","description_html":"The <code>abs()</code> and <code>sign()</code> CSS functions compute the absolute value or the sign of the input.","group":"css","name":"abs() and sign()","spec":"https://drafts.csswg.org/css-values-4/#sign-funcs","status":{"baseline":false,"support":{"firefox":"118","firefox_android":"118","safari":"15.4","safari_ios":"15.4"}}},"absolute-positioning":{"compat_features":["css.properties.align-self.position_absolute_context","css.properties.justify-self.position_absolute_context","css.properties.place-self.position_absolute_context","css.properties.position.absolute"],"description":"The position: absolute CSS declaration removes an element from the normal flow and positions it relative to its containing block, which is often the root element, or closest positioned ancestor.","description_html":"The <code>position: absolute</code> CSS declaration removes an element from the normal flow and positions it relative to its containing block, which is often the root element, or closest positioned ancestor.","group":"positioning","name":"Absolute positioning","spec":"https://drafts.csswg.org/css-position-3/#abspos-insets","status":{"baseline":"high","baseline_high_date":"2018-01-29","baseline_low_date":"2015-07-29","support":{"chrome":"1","chrome_android":"18","edge":"12","firefox":"1","firefox_android":"4","safari":"1","safari_ios":"1"}}},"accelerometer":{"compat_features":["api.Accelerometer","api.Accelerometer.Accelerometer","api.Accelerometer.x","api.Accelerometer.y","api.Accelerometer.z","api.GravitySensor","api.GravitySensor.GravitySensor","api.LinearAccelerationSensor","api.LinearAccelerationSensor.LinearAccelerationSensor","api.Permissions.permission_accelerometer","html.elements.iframe.allow.accelerometer","http.headers.Permissions-Policy.accelerometer"],"description":"The Accelerometer, LinearAccelerationSensor and GravitySensor APIs read the acceleration applied to a device in three dimensions, either including the effect of gravity, without its effect, or only its effect, respectively.","description_html":"The <code>Accelerometer</code>, <code>LinearAccelerationSensor</code> and <code>GravitySensor</code> APIs read the acceleration applied to a device in three dimensions, either including the effect of gravity, without its effect, or only its effect, respectively.","group":"sensors","name":"Accelerometer","spec":"https://w3c.github.io/accelerometer/","status":{"baseline":false,"support":{"chrome":"91","chrome_android":"91","edge":"91"}}},"accent-color":{"compat_features":["css.properties.accent-color","css.properties.accent-color.auto"],"description":"The accent-color CSS property sets a color for checkboxes, radio buttons, and other form controls.","description_html":"The <code>accent-color</code> CSS property sets a color for checkboxes, radio buttons, and other form controls.","group":"css","name":"accent-color","spec":"https://drafts.csswg.org/css-ui-4/#widget-accent","status":{"baseline":false,"support":{"chrome":"93","chrome_android":"93","edge":"93","firefox":"92","firefox_android":"92"}}},"accesskey":{"compat_features":["api.HTMLElement.accessKey","api.HTMLElement.accessKeyLabel","html.global_attributes.accesskey"],"description":"The accessKey global HTML attribute gives a hint for generating a keyboard shortcut for the current element. The attribute value must consist of a single printable character.","description_html":"The <code>accessKey</code> global HTML attribute gives a hint for generating a keyboard shortcut for the current element. The attribute value must consist of a single printable character.","name":"Accesskey","spec":"https://html.spec.whatwg.org/multipage/interaction.html#the-accesskey-attribute","status":{"baseline":"high","baseline_high_date":"2018-01-29","baseline_low_date":"2015-07-29","support":{"chrome":"17","chrome_android":"18","edge":"12","firefox":"5","firefox_android":"5","safari":"6","safari_ios":"6"}}},"active-view-transition":{"compat_features":["api.ViewTransition.types","api.ViewTransitionTypeSet","api.ViewTransitionTypeSet.@@iterator","api.ViewTransitionTypeSet.add","api.ViewTransitionTypeSet.clear","api.ViewTransitionTypeSet.delete","api.ViewTransitionTypeSet.entries","api.ViewTransitionTypeSet.forEach","api.ViewTransitionTypeSet.has","api.ViewTransitionTypeSet.keys","api.ViewTransitionTypeSet.size","api.ViewTransitionTypeSet.values","css.selectors.active-view-transition","css.selectors.active-view-transition-type"],"description":"The :active-view-transition CSS pseudo-class matches the root element when a view transition is active. The :active-view-transition-type() CSS pseudo-class matches only when the active view transition was started with the specified type.","description_html":"The <code>:active-view-transition</code> CSS pseudo-class matches the root element when a view transition is active. The <code>:active-view-transition-type()</code> CSS pseudo-class matches only when the active view transition was started with the specified type.","group":["view-transitions","selectors"],"name":"Active view transition","spec":"https://drafts.csswg.org/css-view-transitions-2/#the-active-view-transition-pseudo","status":{"baseline":false,"support":{"chrome":"125","chrome_android":"125","edge":"125"}}},"address":{"compat_features":["html.elements.address"],"description":"The <address> element represents contact information for a person or people, or for an organization.","description_html":"The <code><address></code> element represents contact information for a person or people, or for an organization.","group":"html-elements","name":"<address>","spec":"https://html.spec.whatwg.org/multipage/sections.html#the-address-element","status":{"baseline":"high","baseline_high_date":"2018-01-29","baseline_low_date":"2015-07-29","support":{"chrome":"1","chrome_android":"18","edge":"12","firefox":"1","firefox_android":"4","safari":"1","safari_ios":"1"}}},"alerts":{"compat_features":["api.Window.alert","api.Window.confirm","api.Window.prompt"],"description":"The window.alert(), window.confirm(), and window.prompt() methods open modal dialogs for notifying the user, asking for confirmation, or entering text.","description_html":"The <code>window.alert()</code>, <code>window.confirm()</code>, and <code>window.prompt()</code> methods open modal dialogs for notifying the user, asking for confirmation, or entering text.","name":"Alerts","spec":"https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#user-prompts","status":{"baseline":"high","baseline_high_date":"2018-01-29","baseline_low_date":"2015-07-29","support":{"chrome":"1","chrome_android":"18","edge":"12","firefox":"1","firefox_android":"4","safari":"1","safari_ios":"1"}}},"align-content-block":{"compat_features":["css.properties.align-content.block_context"],"description":"The align-content property vertically aligns content in block layouts, like it does in flex or grid layouts.","description_html":"The <code>align-content</code> property vertically aligns content in block layouts, like it does in flex or grid layouts.","group":"layout","name":"align-content in block layouts","spec":"https://drafts.csswg.org/css-align-3/#align-justify-content","status":{"baseline":"low","baseline_low_date":"2024-04-16","support":{"chrome":"123","chrome_android":"123","edge":"123","firefox":"125","firefox_android":"125","safari":"17.4","safari_ios":"17.4"}}},"alignment-baseline":{"compat_features":["css.properties.alignment-baseline","css.properties.alignment-baseline.alphabetic","css.properties.alignment-baseline.baseline","css.properties.alignment-baseline.central","css.properties.alignment-baseline.ideographic","css.properties.alignment-baseline.mathematical","css.properties.alignment-baseline.middle"],"description":"The alignment-baseline CSS property sets which baseline of an element is aligned with the corresponding baseline of its parent.","description_html":"The <code>alignment-baseline</code> CSS property sets which baseline of an element is aligned with the corresponding baseline of its parent.","group":"text","name":"alignment-baseline","spec":"https://drafts.csswg.org/css-inline-3/#alignment-baseline-property","status":{"baseline":false,"support":{"chrome":"≤80","chrome_android":"≤80","edge":"≤80","safari":"≤13.1","safari_ios":"≤13.4"}}},"all":{"caniuse":"css-all","compat_features":["css.properties.all"],"description":"The all CSS property is a shorthand for all CSS properties, except for direction and unicode-bidi. It accepts only the keywords for explicit defaulting (such as initial and inherit), since they are the only values supported on all CSS properties.","description_html":"The <code>all</code> CSS property is a shorthand for all CSS properties, except for <code>direction</code> and <code>unicode-bidi</code>. It accepts only the keywords for explicit defaulting (such as <code>initial</code> and <code>inherit</code>), since they are the only values supported on all CSS properties.","group":"explicit-defaults","name":"all","spec":"https://drafts.csswg.org/css-cascade-6/","status":{"baseline":"high","baseline_high_date":"2022-07-15","baseline_low_date":"2020-01-15","support":{"chrome":"37","chrome_android":"37","edge":"79","firefox":"27","firefox_android":"27","safari":"9.1","safari_ios":"9.3"}}},"alt-text-generated-content":{"compat_features":["css.properties.content.alt_text"],"description":"The / notation in content CSS property values adds alternative text to generated content. For example, the content: url('upvote-icon.svg') / 'Upvote' declaration adds accessible 'Upvote' text to the SVG icon. Also known as alternate text.","description_html":"The <code>/</code> notation in <code>content</code> CSS property values adds alternative text to generated content. For example, the <code>content: url('upvote-icon.svg') / 'Upvote'</code> declaration adds accessible 'Upvote' text to the SVG icon. Also known as alternate text.","group":"css","name":"Alt text for generated content","spec":"https://drafts.csswg.org/css-content-3/#alt","status":{"baseline":"low","baseline_low_date":"2024-07-09","support":{"chrome":"77","chrome_android":"77","edge":"79","firefox":"128","firefox_android":"128","safari":"17.4","safari_ios":"17.4"}}},"alternative-style-sheets":{"compat_features":["html.elements.link.rel.alternate_stylesheet"],"description":"The rel=\"alternate stylesheet\" attribute for the <link> HTML element offers an alternative style option to users.","description_html":"The <code>rel=\"alternate stylesheet\"</code> attribute for the <code><link></code> HTML element offers an alternative style option to users.","group":"css","name":"Alternative style sheets","spec":"https://drafts.csswg.org/cssom-1/#concept-css-style-sheet-alternate-flag","status":{"baseline":false,"support":{"firefox":"3","firefox_android":"4"}}},"ambient-light":{"compat_features":["api.AmbientLightSensor","api.AmbientLightSensor.AmbientLightSensor","api.AmbientLightSensor.illuminance","api.Permissions.permission_ambient-light-sensor","html.elements.iframe.allow.ambient-light-sensor","http.headers.Permissions-Policy.ambient-light-sensor"],"description":"The AmbientLightSensor interface returns the current light level in lux of the ambient light level around the device.","description_html":"The <code>AmbientLightSensor</code> interface returns the current light level in lux of the ambient light level around the device.","group":"sensors","name":"Ambient light sensor","spec":"https://w3c.github.io/ambient-light/","status":{"baseline":false,"support":{}}},"anchor-positioning":{"caniuse":"css-anchor-positioning","compat_features":["api.CSSPositionTryDescriptors","api.CSSPositionTryDescriptors.align-self","api.CSSPositionTryDescriptors.alignSelf","api.CSSPositionTryDescriptors.block-size","api.CSSPositionTryDescriptors.blockSize","api.CSSPositionTryDescriptors.bottom","api.CSSPositionTryDescriptors.height","api.CSSPositionTryDescriptors.inline-size","api.CSSPositionTryDescriptors.inlineSize","api.CSSPositionTryDescriptors.inset","api.CSSPositionTryDescriptors.inset-block","api.CSSPositionTryDescriptors.inset-block-end","api.CSSPositionTryDescriptors.inset-block-start","api.CSSPositionTryDescriptors.inset-inline","api.CSSPositionTryDescriptors.inset-inline-end","api.CSSPositionTryDescriptors.inset-inline-start","api.CSSPositionTryDescriptors.insetBlock","api.CSSPositionTryDescriptors.insetBlockEnd","api.CSSPositionTryDescriptors.insetBlockStart","api.CSSPositionTryDescriptors.insetInline","api.CSSPositionTryDescriptors.insetInlineEnd","api.CSSPositionTryDescriptors.insetInlineStart","api.CSSPositionTryDescriptors.justify-self","api.CSSPositionTryDescriptors.justifySelf","api.CSSPositionTryDescriptors.left","api.CSSPositionTryDescriptors.margin","api.CSSPositionTryDescriptors.margin-block","api.CSSPositionTryDescriptors.margin-block-end","api.CSSPositionTryDescriptors.margin-block-start","api.CSSPositionTryDescriptors.margin-bottom","api.CSSPositionTryDescriptors.margin-inline","api.CSSPositionTryDescriptors.margin-inline-end","api.CSSPositionTryDescriptors.margin-inline-start","api.CSSPositionTryDescriptors.margin-left","api.CSSPositionTryDescriptors.margin-right","api.CSSPositionTryDescriptors.margin-top","api.CSSPositionTryDescriptors.marginBlock","api.CSSPositionTryDescriptors.marginBlockEnd","api.CSSPositionTryDescriptors.marginBlockStart","api.CSSPositionTryDescriptors.marginBottom","api.CSSPositionTryDescriptors.marginInline","api.CSSPositionTryDescriptors.marginInlineEnd","api.CSSPositionTryDescriptors.marginInlineStart","api.CSSPositionTryDescriptors.marginLeft","api.CSSPositionTryDescriptors.marginRight","api.CSSPositionTryDescriptors.marginTop","api.CSSPositionTryDescriptors.max-block-size","api.CSSPositionTryDescriptors.max-height","api.CSSPositionTryDescriptors.max-inline-size","api.CSSPositionTryDescriptors.max-width","api.CSSPositionTryDescriptors.maxBlockSize","api.CSSPositionTryDescriptors.maxHeight","api.CSSPositionTryDescriptors.maxInlineSize","api.CSSPositionTryDescriptors.maxWidth","api.CSSPositionTryDescriptors.min-block-size","api.CSSPositionTryDescriptors.min-height","api.CSSPositionTryDescriptors.min-inline-size","api.CSSPositionTryDescriptors.min-width","api.CSSPositionTryDescriptors.minBlockSize","api.CSSPositionTryDescriptors.minHeight","api.CSSPositionTryDescriptors.minInlineSize","api.CSSPositionTryDescriptors.minWidth","api.CSSPositionTryDescriptors.place-self","api.CSSPositionTryDescriptors.placeSelf","api.CSSPositionTryDescriptors.position-anchor","api.CSSPositionTryDescriptors.position-area","api.CSSPositionTryDescriptors.positionAnchor","api.CSSPositionTryDescriptors.positionArea","api.CSSPositionTryDescriptors.right","api.CSSPositionTryDescriptors.top","api.CSSPositionTryDescriptors.width","api.CSSPositionTryRule","api.CSSPositionTryRule.name","api.CSSPositionTryRule.style","api.HTMLButtonElement.popoverTargetElement.implicit_anchor_reference","api.HTMLElement.showPopover.source.implicit_anchor_reference","api.HTMLElement.togglePopover.source.implicit_anchor_reference","api.HTMLInputElement.popoverTargetElement.implicit_anchor_reference","css.at-rules.position-try","css.properties.align-items.anchor-center","css.properties.align-self.anchor-center","css.properties.anchor-name","css.properties.anchor-name.none","css.properties.anchor-scope","css.properties.anchor-scope.all","css.properties.anchor-scope.none","css.properties.block-size.anchor-size","css.properties.bottom.anchor","css.properties.bottom.anchor-size","css.properties.height.anchor-size","css.properties.inline-size.anchor-size","css.properties.inset-block-end.anchor","css.properties.inset-block-end.anchor-size","css.properties.inset-block-start.anchor","css.properties.inset-block-start.anchor-size","css.properties.inset-block.anchor","css.properties.inset-block.anchor-size","css.properties.inset-inline-end.anchor","css.properties.inset-inline-end.anchor-size","css.properties.inset-inline-start.anchor","css.properties.inset-inline-start.anchor-size","css.properties.inset-inline.anchor","css.properties.inset-inline.anchor-size","css.properties.inset.anchor","css.properties.inset.anchor-size","css.properties.justify-items.anchor-center","css.properties.justify-self.anchor-center","css.properties.left.anchor","css.properties.left.anchor-size","css.properties.margin-block-end.anchor-size","css.properties.margin-block-start.anchor-size","css.properties.margin-block.anchor-size","css.properties.margin-bottom.anchor-size","css.properties.margin-inline-end.anchor-size","css.properties.margin-inline-start.anchor-size","css.properties.margin-inline.anchor-size","css.properties.margin-left.anchor-size","css.properties.margin-right.anchor-size","css.properties.margin-top.anchor-size","css.properties.margin.anchor-size","css.properties.max-block-size.anchor-size","css.properties.max-height.anchor-size","css.properties.max-inline-size.anchor-size","css.properties.max-width.anchor-size","css.properties.min-block-size.anchor-size","css.properties.min-height.anchor-size","css.properties.min-inline-size.anchor-size","css.properties.min-width.anchor-size","css.properties.place-items.anchor-center","css.properties.place-self.anchor-center","css.properties.position-anchor","css.properties.position-anchor.auto","css.properties.position-area","css.properties.position-area.block-end","css.properties.position-area.block-start","css.properties.position-area.bottom","css.properties.position-area.center","css.properties.position-area.end","css.properties.position-area.inline-end","css.properties.position-area.inline-start","css.properties.position-area.left","css.properties.position-area.none","css.properties.position-area.right","css.properties.position-area.self-end","css.properties.position-area.self-start","css.properties.position-area.span-all","css.properties.position-area.span-block-end","css.properties.position-area.span-block-start","css.properties.position-area.span-bottom","css.properties.position-area.span-end","css.properties.position-area.span-inline-end","css.properties.position-area.span-inline-start","css.properties.position-area.span-start","css.properties.position-area.span-top","css.properties.position-area.span-x-end","css.properties.position-area.span-x-start","css.properties.position-area.span-y-end","css.properties.position-area.span-y-start","css.properties.position-area.start","css.properties.position-area.top","css.properties.position-area.x-end","css.properties.position-area.x-self-end","css.properties.position-area.x-self-start","css.properties.position-area.x-start","css.properties.position-area.y-end","css.properties.position-area.y-self-end","css.properties.position-area.y-self-start","css.properties.position-area.y-start","css.properties.position-try","css.properties.position-try-fallbacks","css.properties.position-try-fallbacks.flip-block","css.properties.position-try-fallbacks.flip-inline","css.properties.position-try-fallbacks.flip-start","css.properties.position-try-fallbacks.none","css.properties.position-try-fallbacks.position-area","css.properties.position-try-order","css.properties.position-try-order.most-block-size","css.properties.position-try-order.most-height","css.properties.position-try-order.most-inline-size","css.properties.position-try-order.most-width","css.properties.position-try-order.normal","css.properties.position-visibility","css.properties.position-visibility.always","css.properties.position-visibility.anchors-visible","css.properties.position-visibility.no-overflow","css.properties.right.anchor","css.properties.right.anchor-size","css.properties.top.anchor","css.properties.top.anchor-size","css.properties.width.anchor-size","css.types.anchor","css.types.anchor-size","css.types.anchor-size.inset_margin","html.elements.button.popovertarget.implicit_anchor_reference","html.elements.input.popovertarget.implicit_anchor_reference"],"description":"Anchor positioning places an element based on the position of another element. For example, you can place a tooltip next to the content it references.","description_html":"Anchor positioning places an element based on the position of another element. For example, you can place a tooltip next to the content it references.","name":"Anchor positioning","spec":"htt