{ "title":"ECMAScript 2015 (ES6)", "description":"Support for the ECMAScript 2015 specification. Features include Promises, Modules, Classes, Template Literals, Arrow Functions, Let and Const, Default Parameters, Generators, Destructuring Assignment, Rest & Spread, Map/Set & WeakMap/WeakSet and many more.", "spec":"https://www.ecma-international.org/ecma-262/6.0/", "status":"other", "links":[ { "url":"http://es6-features.org", "title":"ES6 New features: overview and comparisons" }, { "url":"http://exploringjs.com/es6/", "title":"Exploring ES6 (book)" } ], "bugs":[ ], "categories":[ "JS" ], "stats":{ "ie":{ "5.5":"n", "6":"n", "7":"n", "8":"n", "9":"n", "10":"n", "11":"a #1 #2" }, "edge":{ "12":"a #2", "13":"a #2", "14":"a #2", "15":"y #2 #3", "16":"y #2 #3", "17":"y #2 #3", "18":"y #2 #3", "76":"y #2" }, "firefox":{ "2":"n", "3":"n", "3.5":"n", "3.6":"n", "4":"n", "5":"n", "6":"a", "7":"a", "8":"a", "9":"a", "10":"a", "11":"a", "12":"a", "13":"a", "14":"a", "15":"a", "16":"a", "17":"a", "18":"a", "19":"a", "20":"a", "21":"a", "22":"a", "23":"a", "24":"a", "25":"a", "26":"a", "27":"a", "28":"a", "29":"a", "30":"a", "31":"a", "32":"a", "33":"a", "34":"a", "35":"a", "36":"a", "37":"a", "38":"a", "39":"a", "40":"a", "41":"a", "42":"a", "43":"a", "44":"a", "45":"a", "46":"a", "47":"a", "48":"a", "49":"a", "50":"a", "51":"a", "52":"a", "53":"a", "54":"y #2", "55":"y #2", "56":"y #2", "57":"y #2", "58":"y #2", "59":"y #2", "60":"y #2", "61":"y #2", "62":"y #2", "63":"y #2", "64":"y #2", "65":"y #2", "66":"y #2", "67":"y #2", "68":"y #2", "69":"y #2", "70":"y #2", "71":"y #2" }, "chrome":{ "4":"n", "5":"n", "6":"n", "7":"n", "8":"n", "9":"n", "10":"n", "11":"n", "12":"n", "13":"n", "14":"n", "15":"n", "16":"n", "17":"n", "18":"n", "19":"n", "20":"n", "21":"a", "22":"a", "23":"a", "24":"a", "25":"a", "26":"a", "27":"a", "28":"a", "29":"a", "30":"a", "31":"a", "32":"a", "33":"a", "34":"a", "35":"a", "36":"a", "37":"a", "38":"a", "39":"a", "40":"a", "41":"a", "42":"a", "43":"a", "44":"a", "45":"a", "46":"a", "47":"a", "48":"a", "49":"a", "50":"a", "51":"y #2", "52":"y #2", "53":"y #2", "54":"y #2", "55":"y #2", "56":"y #2", "57":"y #2", "58":"y #2", "59":"y #2", "60":"y #2", "61":"y #2", "62":"y #2", "63":"y #2", "64":"y #2", "65":"y #2", "66":"y #2", "67":"y #2", "68":"y #2", "69":"y #2", "70":"y #2", "71":"y #2", "72":"y #2", "73":"y #2", "74":"y #2", "75":"y #2", "76":"y #2", "77":"y #2", "78":"y #2", "79":"y #2", "80":"y #2" }, "safari":{ "3.1":"n", "3.2":"n", "4":"n", "5":"n", "5.1":"n", "6":"n", "6.1":"n", "7":"n", "7.1":"a", "8":"a", "9":"a", "9.1":"a", "10":"y", "10.1":"y", "11":"y", "11.1":"y", "12":"y", "12.1":"y", "13":"y", "TP":"y" }, "opera":{ "9":"n", "9.5-9.6":"n", "10.0-10.1":"n", "10.5":"n", "10.6":"n", "11":"n", "11.1":"n", "11.5":"n", "11.6":"n", "12":"n", "12.1":"n", "15":"a", "16":"a", "17":"a", "18":"a", "19":"a", "20":"a", "21":"a", "22":"a", "23":"a", "24":"a", "25":"a", "26":"a", "27":"a", "28":"a", "29":"a", "30":"a", "31":"a", "32":"a", "33":"a", "34":"a", "35":"a", "36":"a", "37":"a", "38":"y #2", "39":"y #2", "40":"y #2", "41":"y #2", "42":"y #2", "43":"y #2", "44":"y #2", "45":"y #2", "46":"y #2", "47":"y #2", "48":"y #2", "49":"y #2", "50":"y #2", "51":"y #2", "52":"y #2", "53":"y #2", "54":"y #2", "55":"y #2", "56":"y #2", "57":"y #2", "58":"y #2", "60":"y #2", "62":"y #2" }, "ios_saf":{ "3.2":"n", "4.0-4.1":"n", "4.2-4.3":"n", "5.0-5.1":"n", "6.0-6.1":"n", "7.0-7.1":"a", "8":"a", "8.1-8.4":"a", "9.0-9.2":"a", "9.3":"a", "10.0-10.2":"y", "10.3":"y", "11.0-11.2":"y", "11.3-11.4":"y", "12.0-12.1":"y", "12.2-12.3":"y", "13":"y" }, "op_mini":{ "all":"n" }, "android":{ "2.1":"n", "2.2":"n", "2.3":"n", "3":"n", "4":"n", "4.1":"n", "4.2-4.3":"n", "4.4":"a", "4.4.3-4.4.4":"a", "76":"y #2" }, "bb":{ "7":"n", "10":"a" }, "op_mob":{ "10":"n", "11":"n", "11.1":"n", "11.5":"n", "12":"n", "12.1":"n", "46":"y #2" }, "and_chr":{ "76":"y #2" }, "and_ff":{ "68":"y #2" }, "ie_mob":{ "10":"n", "11":"a #1 #2" }, "and_uc":{ "12.12":"y #2" }, "samsung":{ "4":"a", "5.0-5.4":"y #2", "6.2-6.4":"y #2", "7.2-7.4":"y #2", "8.2":"y #2", "9.2":"y #2" }, "and_qq":{ "1.2":"y #2" }, "baidu":{ "7.12":"a" }, "kaios":{ "2.5":"a" } }, "notes":"As ES6 refers to a huge specification and browsers have various levels of support, \"Supported\" means at least 95% of the spec is supported. \"Partial support\" refers to at least 10% of the spec being supported. For full details see the [Kangax ES6 support table](https://kangax.github.io/compat-table/es6/).", "notes_by_num":{ "1":"Notable partial support in IE11 includes (at least some) support for `const`, `let`, block-level function declaration, typed arrays, `Map`, `Set` and `WeakMap`.", "2":"Does not support [tail call optimization](https://kangax.github.io/compat-table/es6/#test-proper_tail_calls_%28tail_call_optimisation%29)", "3":"Only has partial Symbol support and partial support for `RegExp.prototype` properties" }, "usage_perc_y":91.69, "usage_perc_a":4.74, "ucprefix":false, "parent":"", "keywords":"javascript,block-scoped,string.prototype.includes,string.prototype.endswith,string.prototype.repeat,array.prototype.find,array.prototype.findindex,array.prototype.fill,object.assign", "ie_id":"", "chrome_id":"", "firefox_id":"", "webkit_id":"", "shown":true }