| { |
| "javascript": { |
| "grammar": { |
| "array_literals": { |
| "__compat": { |
| "description": "Array literals (`[1, 2, 3]`)", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/Array#array_literal_notation", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-expressions.html#sec-array-initializer", |
| "tags": [ |
| "web-features:array", |
| "web-features:snapshot:ecmascript-1" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "1" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "1" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": "4" |
| }, |
| "nodejs": { |
| "version_added": "0.10.0" |
| }, |
| "oculus": "mirror", |
| "opera": { |
| "version_added": "4" |
| }, |
| "opera_android": { |
| "version_added": "10.1" |
| }, |
| "safari": { |
| "version_added": "1" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "binary_numeric_literals": { |
| "__compat": { |
| "description": "Binary numeric literals (`0b`)", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Lexical_grammar#binary", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-lexical-grammar.html#prod-BinaryIntegerLiteral", |
| "tags": [ |
| "web-features:snapshot:ecmascript-2015", |
| "web-features:number" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "41" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "25" |
| }, |
| "firefox_android": "mirror", |
| "nodejs": { |
| "version_added": "4.0.0" |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "9" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "boolean_literals": { |
| "__compat": { |
| "description": "Boolean literals (`true`/`false`)", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Lexical_grammar#boolean_literal", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-lexical-grammar.html#sec-boolean-literals", |
| "tags": [ |
| "web-features:snapshot:ecmascript-1", |
| "web-features:javascript" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "1" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "1" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": "3" |
| }, |
| "nodejs": { |
| "version_added": "0.10.0" |
| }, |
| "oculus": "mirror", |
| "opera": { |
| "version_added": "3" |
| }, |
| "opera_android": { |
| "version_added": "10.1" |
| }, |
| "safari": { |
| "version_added": "1" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "decimal_numeric_literals": { |
| "__compat": { |
| "description": "Decimal numeric literals (`1234567890`)", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Lexical_grammar#decimal", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-lexical-grammar.html#prod-DecimalLiteral", |
| "tags": [ |
| "web-features:snapshot:ecmascript-1", |
| "web-features:number" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "1" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "1" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": "3" |
| }, |
| "nodejs": { |
| "version_added": "0.10.0" |
| }, |
| "oculus": "mirror", |
| "opera": { |
| "version_added": "3" |
| }, |
| "opera_android": { |
| "version_added": "10.1" |
| }, |
| "safari": { |
| "version_added": "1" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "hashbang_comments": { |
| "__compat": { |
| "description": "Hashbang (`#!`) comment syntax", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Lexical_grammar#hashbang_comments", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-lexical-grammar.html#sec-hashbang", |
| "tags": [ |
| "web-features:snapshot:ecmascript-2023", |
| "web-features:hashbang-comments" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "74" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": "mirror", |
| "firefox": { |
| "version_added": "67" |
| }, |
| "firefox_android": "mirror", |
| "nodejs": { |
| "version_added": "0.10.0" |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "13.1" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "hexadecimal_escape_sequences": { |
| "__compat": { |
| "description": "Hexadecimal escape sequences (`'\\xA9'`)", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Lexical_grammar#hexadecimal_escape_sequences", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-lexical-grammar.html#prod-HexEscapeSequence", |
| "tags": [ |
| "web-features:javascript" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "1" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "1" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": "4" |
| }, |
| "nodejs": { |
| "version_added": "0.10.0" |
| }, |
| "oculus": "mirror", |
| "opera": { |
| "version_added": "4" |
| }, |
| "opera_android": { |
| "version_added": "10.1" |
| }, |
| "safari": { |
| "version_added": "1" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "hexadecimal_numeric_literals": { |
| "__compat": { |
| "description": "Hexadecimal numeric literals (`0xAF`)", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Lexical_grammar#hexadecimal", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-lexical-grammar.html#prod-HexIntegerLiteral", |
| "tags": [ |
| "web-features:snapshot:ecmascript-1", |
| "web-features:number" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "1" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "1" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": "3" |
| }, |
| "nodejs": { |
| "version_added": "0.10.0" |
| }, |
| "oculus": "mirror", |
| "opera": { |
| "version_added": "3" |
| }, |
| "opera_android": { |
| "version_added": "10.1" |
| }, |
| "safari": { |
| "version_added": "1" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "null_literal": { |
| "__compat": { |
| "description": "Null literal (`null`)", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Lexical_grammar#null_literal", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-lexical-grammar.html#sec-null-literals", |
| "tags": [ |
| "web-features:snapshot:ecmascript-1", |
| "web-features:javascript" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "1" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "1" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": "3" |
| }, |
| "nodejs": { |
| "version_added": "0.10.0" |
| }, |
| "oculus": "mirror", |
| "opera": { |
| "version_added": "3" |
| }, |
| "opera_android": { |
| "version_added": "10.1" |
| }, |
| "safari": { |
| "version_added": "1" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "numeric_separators": { |
| "__compat": { |
| "description": "Numeric separators (`1_000_000_000_000`)", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Lexical_grammar#numeric_separators", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-lexical-grammar.html#prod-NumericLiteralSeparator", |
| "tags": [ |
| "web-features:numeric-seperators" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "75" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.2" |
| }, |
| "edge": "mirror", |
| "firefox": { |
| "version_added": "70" |
| }, |
| "firefox_android": "mirror", |
| "nodejs": { |
| "version_added": "12.5.0" |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "13" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "octal_numeric_literals": { |
| "__compat": { |
| "description": "Octal numeric literals (`0o`)", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Lexical_grammar#octal", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-lexical-grammar.html#prod-OctalIntegerLiteral", |
| "tags": [ |
| "web-features:snapshot:ecmascript-2015", |
| "web-features:number" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "41" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "25" |
| }, |
| "firefox_android": "mirror", |
| "nodejs": { |
| "version_added": "4.0.0" |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "9" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "regular_expression_literals": { |
| "__compat": { |
| "description": "Regular expression literals (`/ab+c/g`)", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Lexical_grammar#regular_expression_literals", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-lexical-grammar.html#sec-literals-regular-expression-literals", |
| "tags": [ |
| "web-features:snapshot:ecmascript-3", |
| "web-features:regexp" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "1" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "1" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": "4" |
| }, |
| "nodejs": { |
| "version_added": "0.10.0" |
| }, |
| "oculus": "mirror", |
| "opera": { |
| "version_added": "5" |
| }, |
| "opera_android": { |
| "version_added": "10.1" |
| }, |
| "safari": { |
| "version_added": "1" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "string_literals": { |
| "__compat": { |
| "description": "String literals (`'Hello world'`)", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Lexical_grammar#string_literals", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-lexical-grammar.html#sec-literals-string-literals", |
| "tags": [ |
| "web-features:snapshot:ecmascript-1", |
| "web-features:strings" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "1" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "1" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": "3" |
| }, |
| "nodejs": { |
| "version_added": "0.10.0" |
| }, |
| "oculus": "mirror", |
| "opera": { |
| "version_added": "3" |
| }, |
| "opera_android": { |
| "version_added": "10.1" |
| }, |
| "safari": { |
| "version_added": "1" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "unicode_escape_sequences": { |
| "__compat": { |
| "description": "Unicode escape sequences (`'\\u00A9'`)", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Lexical_grammar#unicode_escape_sequences", |
| "spec_url": "https://tc39.es/ecma262/multipage/structured-data.html#sec-unicodeescape", |
| "tags": [ |
| "web-features:snapshot:ecmascript-1", |
| "web-features:javascript" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "1" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "1" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": "4" |
| }, |
| "nodejs": { |
| "version_added": "0.10.0" |
| }, |
| "oculus": "mirror", |
| "opera": { |
| "version_added": "4" |
| }, |
| "opera_android": { |
| "version_added": "10.1" |
| }, |
| "safari": { |
| "version_added": "1" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "unicode_point_escapes": { |
| "__compat": { |
| "description": "Unicode point escapes (`\\u{}`)", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Lexical_grammar#unicode_code_point_escapes", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-lexical-grammar.html#prod-UnicodeEscapeSequence", |
| "tags": [ |
| "web-features:snapshot:ecmascript-2015", |
| "web-features:unicode-point-escapes" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "44" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "40" |
| }, |
| "firefox_android": "mirror", |
| "nodejs": { |
| "version_added": "4.0.0" |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "9" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "shorthand_object_literals": { |
| "__compat": { |
| "description": "Shorthand notation for object literals", |
| "tags": [ |
| "web-features:snapshot:ecmascript-2015", |
| "web-features:object-object" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "43" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "33" |
| }, |
| "firefox_android": "mirror", |
| "nodejs": { |
| "version_added": "4.0.0" |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "9" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "template_literals": { |
| "__compat": { |
| "description": "Template literals", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Template_literals", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-expressions.html#sec-template-literals", |
| "tags": [ |
| "web-features:snapshot:ecmascript-2015", |
| "web-features:template-literals" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "41" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "34" |
| }, |
| "firefox_android": "mirror", |
| "nodejs": { |
| "version_added": "4.0.0" |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "9" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| }, |
| "template_literal_revision": { |
| "__compat": { |
| "description": "Escape sequences allowed in tagged template literals", |
| "tags": [ |
| "web-features:snapshot:ecmascript-2018", |
| "web-features:template-literals" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "62" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": "mirror", |
| "firefox": { |
| "version_added": "53" |
| }, |
| "firefox_android": "mirror", |
| "nodejs": { |
| "version_added": "8.10.0" |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "11" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| } |
| }, |
| "trailing_commas": { |
| "__compat": { |
| "description": "Trailing commas", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Trailing_commas", |
| "spec_url": [ |
| "https://tc39.es/ecma262/multipage/ecmascript-language-expressions.html#prod-Elision", |
| "https://tc39.es/ecma262/multipage/ecmascript-language-expressions.html#prod-ObjectLiteral", |
| "https://tc39.es/ecma262/multipage/ecmascript-language-expressions.html#prod-ArrayLiteral", |
| "https://tc39.es/ecma262/multipage/ecmascript-language-expressions.html#prod-Arguments", |
| "https://tc39.es/ecma262/multipage/ecmascript-language-functions-and-classes.html#prod-FormalParameters", |
| "https://tc39.es/ecma262/multipage/ecmascript-language-expressions.html#prod-CoverParenthesizedExpressionAndArrowParameterList", |
| "https://tc39.es/ecma262/multipage/ecmascript-language-scripts-and-modules.html#prod-NamedImports", |
| "https://tc39.es/ecma262/multipage/ecmascript-language-scripts-and-modules.html#prod-NamedExports", |
| "https://tc39.es/ecma262/multipage/text-processing.html#prod-QuantifierPrefix", |
| "https://tc39.es/ecma262/multipage/additional-ecmascript-features-for-web-browsers.html#prod-annexB-InvalidBracedQuantifier" |
| ], |
| "tags": [ |
| "web-features:javascript" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "1" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "1" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": "9" |
| }, |
| "nodejs": { |
| "version_added": "0.10.0" |
| }, |
| "oculus": "mirror", |
| "opera": { |
| "version_added": "9.5" |
| }, |
| "opera_android": { |
| "version_added": "10.1" |
| }, |
| "safari": { |
| "version_added": "1" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| }, |
| "trailing_commas_in_dynamic_import": { |
| "__compat": { |
| "description": "Trailing comma in dynamic import", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-expressions.html#sec-import-call-runtime-semantics-evaluation", |
| "tags": [ |
| "web-features:json-modules" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "91" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.17" |
| }, |
| "edge": "mirror", |
| "firefox": { |
| "version_added": "138" |
| }, |
| "firefox_android": "mirror", |
| "nodejs": [ |
| { |
| "version_added": "17.5.0" |
| }, |
| { |
| "version_added": "16.15.0", |
| "version_removed": "17.0.0" |
| }, |
| { |
| "version_added": "16.14.0", |
| "version_removed": "16.15.0", |
| "partial_implementation": true, |
| "notes": "The second parameter no longer throws a parser error, but the `--experimental-json-modules` flag is still needed to load JSON modules." |
| } |
| ], |
| "oculus": "mirror", |
| "opera": { |
| "version_added": false |
| }, |
| "opera_android": { |
| "version_added": false |
| }, |
| "safari": { |
| "version_added": "15" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "trailing_commas_in_functions": { |
| "__compat": { |
| "description": "Trailing comma in function parameters", |
| "tags": [ |
| "web-features:functions" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "58" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "14" |
| }, |
| "firefox": { |
| "version_added": "52" |
| }, |
| "firefox_android": "mirror", |
| "nodejs": { |
| "version_added": "8.0.0" |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "10" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "trailing_commas_in_object_literals": { |
| "__compat": { |
| "description": "Trailing comma in object literals", |
| "tags": [ |
| "web-features:javascript" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "1" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "1" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": "9" |
| }, |
| "nodejs": { |
| "version_added": "0.10.0" |
| }, |
| "oculus": "mirror", |
| "opera": { |
| "version_added": "9.5" |
| }, |
| "opera_android": { |
| "version_added": "10.1" |
| }, |
| "safari": { |
| "version_added": "3" |
| }, |
| "safari_ios": { |
| "version_added": "1" |
| }, |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
