@kcjpop/x-browser-compat/bcd/api/BeforeUnloadEvent/returnValue/index.json

A Web Component to display browser compatibility data

{"source_file":"api/BeforeUnloadEvent.json","spec_url":"https://html.spec.whatwg.org/multipage/browsing-the-web.html#dom-beforeunloadevent-returnvalue","status":{"deprecated":true,"experimental":false,"standard_track":true},"support":{"chrome":[{"version_added":"119"},{"notes":"Before Chrome 119, an empty string incorrectly activated the confirmation dialog.","partial_implementation":true,"version_added":"30","version_removed":"119"}],"chrome_android":[{"version_added":"119"},{"notes":"Before Chrome 119, an empty string incorrectly activated the confirmation dialog.","partial_implementation":true,"version_added":"30","version_removed":"119"}],"deno":{"version_added":false},"edge":[{"version_added":"119"},{"notes":"Before Edge 119, an empty string incorrectly activated the confirmation dialog.","partial_implementation":true,"version_added":"79","version_removed":"119"}],"firefox":{"version_added":"1.5"},"firefox_android":{"version_added":"4"},"ie":{"version_added":"9"},"oculus":{"notes":"Before Chrome 119, an empty string incorrectly activated the confirmation dialog.","partial_implementation":true,"version_added":"5.0","version_removed":false},"opera":[{"version_added":"105"},{"notes":"Before Opera 105, an empty string incorrectly activated the confirmation dialog.","partial_implementation":true,"version_added":"17","version_removed":"105"}],"opera_android":{"notes":"Before Opera false, an empty string incorrectly activated the confirmation dialog.","partial_implementation":true,"version_added":"18","version_removed":false},"safari":{"version_added":"7"},"safari_ios":{"version_added":"7"},"samsunginternet_android":{"version_added":"3.0"},"webview_android":{"version_added":"≤37"}}}