features.json

   1 {
   2     "specification": [
   3     {
   4         "name": "ES6",
   5         "url": "http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts",
   6         "keywords": ["es6", "es2015", "ecmascript"]
   7     },
   8     {
   9         "name": "ES7",
  10         "url": "https://github.com/tc39/ecma262",
  11         "keywords": ["es7", "ecmascript"]
  12     }
  13     ],
  14
  15     "features": [
  16     {
  17         "name": "ASM.js",
  18         "status": {
  19             "status": "Continuously improving",
  20             "enabled-by-default": true
  21         },
  22         "url": "http://asmjs.org",
  23         "description": "ASM.js defines a subset of JavaScript that enforce stronger typing and has specific patterns of memory access. ASM.js is rarely hand-written, it is typically generated from other languages by compiler such as Emscripten.",
  24         "comment": "There is no \"use asm\" mode in JavaScriptCore. Instead WebKit integrates ASM.js optimizations directly in the optimizer. As a result, it is possible to mix ASM-style typing with regular code and still get great performance and power efficiency."
  25     },
  26     {
  27         "name": "Array.prototype.copyWithin",
  28         "status": {
  29             "status": "Done",
  30             "enabled-by-default": true
  31         },
  32         "url": "https://people.mozilla.org/~jorendorff/es6-draft.html#sec-array.prototype.copywithin",
  33         "documentation-url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/copyWithin",
  34         "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=145107",
  35         "specification": "ES6",
  36         "contact": {
  37             "name": "Yusuke Suzuki",
  38             "email": "utatane.tea@gmail.com"
  39         }
  40     },
  41     {
  42         "name": "Array.prototype.includes",
  43         "status": {
  44             "status": "Done",
  45             "enabled-by-default": true
  46         },
  47         "url": "https://github.com/tc39/Array.prototype.includes",
  48         "documentation-url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/includes",
  49         "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=142707",
  50         "specification": "ES7"
  51     },
  52     {
  53         "name": "Classes",
  54         "status": {
  55             "status": "Done",
  56             "enabled-by-default": true
  57         },
  58         "url": "https://people.mozilla.org/~jorendorff/es6-draft.html#sec-class-definitions",
  59         "documentation-url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes",
  60         "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=142774",
  61         "specification": "ES6",
  62         "description": "The new class syntax of ES6 provides a new syntax to define and extend JavaScript objects. The class syntax is a new notation, objects still use prototypal inheritance."
  63     },
  64     {
  65         "name": "Map data structure",
  66         "status": {
  67             "status": "Done",
  68             "enabled-by-default": true
  69         },
  70         "url": "http://people.mozilla.org/~jorendorff/es6-draft.html#sec-map-constructor",
  71         "documentation-url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map",
  72         "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=120333",
  73         "description": "Map provides an <a href=\"https://en.wikipedia.org/wiki/Associative_array\">associative array data</a> structure that maps keys to values.",
  74         "specification": "ES6"
  75     },
  76     {
  77         "name": "Number extensions (ES6)",
  78         "status": {
  79             "status": "Done",
  80             "enabled-by-default": true
  81         },
  82         "url": "http://people.mozilla.org/~jorendorff/es6-draft.html#sec-number-objects",
  83         "documentation-url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number",
  84         "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=131707",
  85         "specification": "ES6",
  86         "description": "ES6 extend Number with the methods Number.isFinite(), Number.isInteger(), Number.isSafeInteger(), Number.isNaN() and the attributes Number.EPSILON, Number.MIN_SAFE_INTEGER, Number.MAX_SAFE_INTEGER."
  87     },
  88     {
  89         "name": "Octal and binary literals",
  90         "status": {
  91             "status": "Done",
  92             "enabled-by-default": true
  93         },
  94         "url": "https://people.mozilla.org/~jorendorff/es6-draft.html#sec-literals-numeric-literals",
  95         "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=142681",
  96         "specification": "ES6",
  97         "description": "New syntax for number literals. Numbers can be provided as binary (e.g. 0b001001) or octal (e.g. 0o24)."
  98     },
  99     {
 100         "name": "Promise Objects",
 101         "status": {
 102             "status": "Done",
 103             "enabled-by-default": true,
 104             "shipped": ["ios8-safari", "osx-safari-7.1"]
 105         },
 106         "url": "https://people.mozilla.org/~jorendorff/es6-draft.html#sec-promise-objects",
 107         "documentation-url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise",
 108         "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=120260",
 109         "specification": "ES6"
 110     },
 111     {
 112         "name": "Set data structure",
 113         "status": {
 114             "status": "Done",
 115             "enabled-by-default": true
 116         },
 117         "url": "https://people.mozilla.org/~jorendorff/es6-draft.html#sec-set-constructor",
 118         "documentation-url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set",
 119         "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=120549",
 120         "description": "Set is a collection of unique objects.",
 121         "specification": "ES6"
 122     },
 123     {
 124         "name": "Symbol Objects",
 125         "status": {
 126             "status": "Done",
 127             "enabled-by-default": true
 128         },
 129         "url": "https://people.mozilla.org/~jorendorff/es6-draft.html#sec-symbol-objects",
 130         "documentation-url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol",
 131         "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=140435",
 132         "specification": "ES6",
 133         "contact": {
 134             "name": "Yusuke Suzuki",
 135             "email": "utatane.tea@gmail.com"
 136         }
 137     },
 138     {
 139         "name": "Tagged templates",
 140         "status": {
 141             "status": "Done",
 142             "enabled-by-default": true
 143         },
 144         "url": "http://people.mozilla.org/~jorendorff/es6-draft.html#sec-tagged-templates",
 145         "documentation-url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/template_strings",
 146         "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=143183",
 147         "description": "The tagged-templates (like String.raw`Hello ${World}`) provides a way to modify the produced string from a given template-literals with a function.",
 148         "specification": "ES6",
 149         "contact": {
 150             "name": "Yusuke Suzuki",
 151             "email": "utatane.tea@gmail.com"
 152         }
 153     },
 154     {
 155         "name": "Template literals",
 156         "status": {
 157             "status": "Done",
 158             "enabled-by-default": true
 159         },
 160         "url": "http://people.mozilla.org/~jorendorff/es6-draft.html#sec-template-literals",
 161         "documentation-url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/template_strings",
 162         "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=142691",
 163         "description": "The template-literals (like `Hello ${World}`) provides string interpolation feature. Line terminators are also allowed in the template-literals.",
 164         "specification": "ES6",
 165         "contact": {
 166             "name": "Yusuke Suzuki",
 167             "email": "utatane.tea@gmail.com"
 168         }
 169     },
 170     {
 171         "name": "WeakMap",
 172         "status": {
 173             "status": "Done",
 174             "enabled-by-default": true
 175         },
 176         "url": "http://people.mozilla.org/~jorendorff/es6-draft.html#sec-weakmap-objects",
 177         "documentation-url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap",
 178         "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=120912",
 179         "description": "WeakMap provides an <a href=\"https://en.wikipedia.org/wiki/Associative_array\">associative array data</a> structure that maps keys to values. WeakMap's keys must be objects.",
 180         "specification": "ES6"
 181     },
 182     {
 183         "name": "WeakSet",
 184         "status": {
 185             "status": "Done",
 186             "enabled-by-default": true
 187         },
 188         "url": "http://people.mozilla.org/~jorendorff/es6-draft.html#sec-weakset-objects",
 189         "documentation-url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet",
 190         "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=142408",
 191         "description": "WeakSet is a collection of unique objects. Keys stored in WeakSet are referenced weakly.",
 192         "specification": "ES6",
 193         "contact": {
 194             "name": "Yusuke Suzuki",
 195             "email": "utatane.tea@gmail.com"
 196         }
 197     },
 198     {
 199         "name": "for...of loops",
 200         "status": {
 201             "status": "Done",
 202             "enabled-by-default": true
 203         },
 204         "url": "http://people.mozilla.org/~jorendorff/es6-draft.html#sec-for-in-and-for-of-statements",
 205         "documentation-url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...of",
 206         "description": "The for...of loops iterate over the values provided by the iterator of the target object.",
 207         "specification": "ES6",
 208         "comment": "Older versions of WebKit only supported iterating JavaScript arrays."
 209     }
 210     ]
 211 }