mdn-browser-compat-data

{ "webextensions": { "manifest": { "content_scripts": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/manifest.json/content_scripts", "support": { "chrome": { "version_added": true, "notes": "Content scripts are not applied to tabs already open when the extension is loaded." }, "edge": { "version_added": "14" }, "firefox": { "version_added": "48" }, "firefox_android": { "version_added": "48" }, "opera": { "version_added": true, "notes": "Content scripts are not applied to tabs already open when the extension is loaded." }, "safari": { "version_added": "14", "notes": "Content scripts are not applied to tabs until the user grants permission via the extension's access popover in the toolbar." } } }, "all_frames": { "__compat": { "support": { "chrome": { "version_added": true }, "edge": { "version_added": "14" }, "firefox": { "version_added": "48" }, "firefox_android": { "version_added": "48" }, "opera": { "version_added": true }, "safari": { "version_added": "14" } } } }, "css": { "__compat": { "support": { "chrome": { "version_added": true }, "edge": { "version_added": "14" }, "firefox": { "version_added": "48" }, "firefox_android": { "version_added": "48" }, "opera": { "version_added": true }, "safari": { "version_added": "14" } } } }, "exclude_globs": { "__compat": { "support": { "chrome": { "version_added": true }, "edge": { "version_added": "14" }, "firefox": { "version_added": "48" }, "firefox_android": { "version_added": "48" }, "opera": { "version_added": true }, "safari": { "version_added": false } } } }, "exclude_matches": { "__compat": { "support": { "chrome": { "version_added": true }, "edge": { "version_added": "14" }, "firefox": { "version_added": "48" }, "firefox_android": { "version_added": "48" }, "opera": { "version_added": true }, "safari": { "version_added": "14" } } } }, "include_globs": { "__compat": { "support": { "chrome": { "version_added": true }, "edge": { "version_added": "14" }, "firefox": { "version_added": "48" }, "firefox_android": { "version_added": "48" }, "opera": { "version_added": true }, "safari": { "version_added": false } } } }, "js": { "__compat": { "support": { "chrome": { "version_added": true }, "edge": { "version_added": "14" }, "firefox": { "version_added": "48" }, "firefox_android": { "version_added": "48" }, "opera": { "version_added": true }, "safari": { "version_added": "14" } } } }, "match_about_blank": { "__compat": { "support": { "chrome": { "version_added": true }, "edge": { "version_added": "14" }, "firefox": { "version_added": "52", "notes": "Content scripts won't be injected into empty iframes at 'document_start' even if you specify that value in 'run_at'." }, "firefox_android": { "version_added": "52", "notes": "Content scripts won't be injected into empty iframes at 'document_start' even if you specify that value in 'run_at'." }, "opera": { "version_added": true }, "safari": { "version_added": false } } } }, "matches": { "__compat": { "support": { "chrome": { "version_added": true }, "edge": { "version_added": "14" }, "firefox": { "version_added": "48" }, "firefox_android": { "version_added": "48" }, "opera": { "version_added": true }, "safari": { "version_added": "14" } } } }, "run_at": { "__compat": { "support": { "chrome": { "version_added": true }, "edge": { "version_added": "14" }, "firefox": { "version_added": "48" }, "firefox_android": { "version_added": "48" }, "opera": { "version_added": true }, "safari": { "version_added": "14", "notes": "Content scripts are not applied to tabs until the user grants permission via the extension's access popover in the toolbar. Additional loads after permission is granted will respect <code>run_at</code>." } } } } } } } }