Opal-Estate-Pro/node_modules/caniuse-db/features-json/let.json

{
  "title":"let",
  "description":"Declares a variable with block level scope",
  "spec":"https://www.ecma-international.org/ecma-262/6.0/#sec-let-and-const-declarations",
  "status":"other",
  "links":[
    {
      "url":"http://generatedcontent.org/post/54444832868/variables-and-constants-in-es6",
      "title":"Variables and Constants in ES6"
    },
    {
      "url":"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/let",
      "title":"MDN Web Docs - let"
    }
  ],
  "bugs":[
    
  ],
  "categories":[
    "JS"
  ],
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      "10":"a #4",
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      "3":"n",
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      "4.2-4.3":"n",
      "4.4":"n",
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      "76":"y"
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    "bb":{
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      "10":"n",
      "11":"n",
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      "12":"n",
      "12.1":"n",
      "46":"y"
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      "76":"y"
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    "and_ff":{
      "68":"y"
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    "ie_mob":{
      "10":"n",
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      "12.12":"y"
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    "samsung":{
      "4":"a #3",
      "5.0-5.4":"y",
      "6.2-6.4":"y",
      "7.2-7.4":"y",
      "8.2":"y",
      "9.2":"y"
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    "and_qq":{
      "1.2":"n"
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    "baidu":{
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    },
    "kaios":{
      "2.5":"y"
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  },
  "notes":"",
  "notes_by_num":{
    "1":"Supports a non-standard version that can only be used in script elements with a type attribute of `application/javascript;version=1.7`. As other browsers do not support these types of `script` tags this makes support useless for cross-browser support.",
    "2":"Requires the \u2018Experimental JavaScript features\u2019 flag to be enabled",
    "3":"Only supported in strict mode",
    "4":"`let` bindings in for loops are incorrectly treated as function-scoped instead of block scoped.",
    "5":"`let` variables are not bound separately to each iteration of `for` loops"
  },
  "usage_perc_y":92.28,
  "usage_perc_a":2.89,
  "ucprefix":false,
  "parent":"es6",
  "keywords":"ES6,variable,block,scope",
  "ie_id":"",
  "chrome_id":"4645595339816960",
  "firefox_id":"",
  "webkit_id":"",
  "shown":true
}