From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001 From: Peter Bengtsson Date: Tue, 8 Dec 2020 14:40:17 -0500 Subject: initial commit --- .../functions/arguments/@@iterator/index.html | 72 ++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 files/zh-cn/web/javascript/reference/functions/arguments/@@iterator/index.html (limited to 'files/zh-cn/web/javascript/reference/functions/arguments/@@iterator') diff --git a/files/zh-cn/web/javascript/reference/functions/arguments/@@iterator/index.html b/files/zh-cn/web/javascript/reference/functions/arguments/@@iterator/index.html new file mode 100644 index 0000000000..5da702bb2b --- /dev/null +++ b/files/zh-cn/web/javascript/reference/functions/arguments/@@iterator/index.html @@ -0,0 +1,72 @@ +--- +title: 'arguments[@@iterator]()' +slug: Web/JavaScript/Reference/Functions/arguments/@@iterator +translation_of: Web/JavaScript/Reference/Functions/arguments/@@iterator +--- +
{{jsSidebar("Functions")}}
+ +

@@iterator 属性的初始值是和 {{jsxref("Array.prototype.values")}} 属性的初始值相同的对象。

+ +

语法

+ +
arguments[Symbol.iterator]()
+ +

实例

+ +

使用for...of循环的迭代

+ +
function f() {
+  // 你的浏览器必须支持 for..of 循环
+  // 以及 for 循环中的 let 区域变量
+  for (let letter of arguments) {
+    console.log(letter);
+  }
+}
+f('w', 'y', 'k', 'o', 'p');
+
+ +

规范

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
规范状态备注
{{SpecName('ES6', '#sec-createunmappedargumentsobject', ' CreateUnmappedArgumentsObject')}}{{Spec2('ES6')}}初始定义.
{{SpecName('ES6', '#sec-createmappedargumentsobject', ' CreateMappedArgumentsObject')}}{{Spec2('ES6')}}初始定义.
{{SpecName('ESDraft', '#sec-createunmappedargumentsobject', 'CreateUnmappedArgumentsObject')}}{{Spec2('ESDraft')}} 
{{SpecName('ESDraft', '#sec-createmappedargumentsobject', 'CreateMappedArgumentsObject')}}{{Spec2('ESDraft')}} 
+ +

浏览器兼容

+ +
+ + +

{{Compat("javascript.functions.arguments.@@iterator")}}

+
+ +

更多

+ + -- cgit v1.2.3-54-g00ecf