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arguments[@@iterator]()

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The initial value of the @@iterator property is the same function object as the initial value of the Array.prototype.values property.

语法

arguments[Symbol.iterator]()

实例

Iteration using for...of loop

function f() {
  // your browser must support for..of loop
  // and let-scoped variables in for loops
  for (let letter of arguments) {
    console.log(letter);
  }
}
f('w', 'y', 'k', 'o', 'p');

规范

规范 状态 备注
ECMAScript 2015 (6th Edition, ECMA-262)
CreateUnmappedArgumentsObject
Standard 初始定义.
ECMAScript 2015 (6th Edition, ECMA-262)
CreateMappedArgumentsObject
Standard 初始定义.
ECMAScript 2017 Draft (ECMA-262)
CreateUnmappedArgumentsObject
Draft  
ECMAScript 2017 Draft (ECMA-262)
CreateMappedArgumentsObject
Draft  

浏览器兼容

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
基础支持 52 46 (46) ? ? 9
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
基础支持 ? ? 46.0 (46) ? ? ?

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