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lepu-test-platform-web/node_modules/caniuse-db/features-json/es5.json

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{
"title":"ECMAScript 5",
"description":"Full support for the ECMAScript 5 specification. Features include `Function.prototype.bind`, Array methods like `indexOf`, `forEach`, `map` & `filter`, Object methods like `defineProperty`, `create` & `keys`, the `trim` method on Strings and many more.",
"spec":"https://www.ecma-international.org/ecma-262/5.1/",
"status":"other",
"links":[
{
"url":"https://kangax.github.io/compat-table/es5/",
"title":"Detailed compatibility tables & tests"
},
{
"url":"https://johnresig.com/blog/ecmascript-5-objects-and-properties/",
"title":"Overview of objects & properties"
},
{
"url":"https://github.com/es-shims/es5-shim",
"title":"ES5 polyfill"
},
{
"url":"https://github.com/zloirock/core-js#ecmascript",
"title":"Polyfill for all possible ES5 features is available in the core-js library"
}
],
"bugs":[
],
"categories":[
"JS"
],
"stats":{
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"5.5":"n",
"6":"n",
"7":"n",
"8":"n #4",
"9":"a #2",
"10":"y",
"11":"y"
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"11":"a #1",
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"4":"a",
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"9":"a",
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"12":"a",
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"16":"a",
"17":"a",
"18":"a",
"19":"a #1",
"20":"a #1",
"21":"a #1",
"22":"a #1",
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"12":"y",
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"12":"a",
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},
"op_mini":{
"all":"a #1"
},
"android":{
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"4":"a #1 #2 #3",
"4.1":"a #1",
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"4.4":"y",
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"12":"a",
"12.1":"a #1",
"46":"y"
},
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"84":"y"
},
"and_ff":{
"79":"y"
},
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"11":"y"
},
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},
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"4":"y",
"5.0-5.4":"y",
"6.2-6.4":"y",
"7.2-7.4":"y",
"8.2":"y",
"9.2":"y",
"10.1":"y",
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"12.0":"y"
},
"and_qq":{
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},
"baidu":{
"7.12":"y"
},
"kaios":{
"2.5":"y"
}
},
"notes":"As the specification includes many JavaScript features, un-numbered partial support varies widely and is shown in detail on the [ECMAScript 5 compatibility tables](http://kangax.github.io/compat-table/es5/) by Kangax.",
"notes_by_num":{
"1":"Does not support `parseInt()` ignoring leading zeros. ",
"2":"Does not support Strict mode",
"3":"Does not support zero-width chars in identifiers & Immutable `undefined`",
"4":"IE8 has virtually no ES5 support, but does support `Object.defineProperty`, `Object.getOwnPropertyDescriptor`, JSON parsing & Property access on strings"
},
"usage_perc_y":96.9,
"usage_perc_a":1.71,
"ucprefix":false,
"parent":"",
"keywords":"es5,javascript,js,function.bind,array.foreach,array.indexof,array.map,object.keys,date.now,defineproperties,getprototypeof,keys,seal,freeze,preventextensions,issealed,isfrozen,isextensible,getownpropertydescriptorgetownpropertynames,toisostringc,isarray,lastindexof,every,some,reduce,reduceright,getter,setter",
"ie_id":"",
"chrome_id":"",
"firefox_id":"",
"webkit_id":"",
"shown":true
}
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