NodeList.entries()

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

该方法返回一个迭代协议,允许遍历此对象中包含的所有键/值。该值也是一个Node 对象。

语法

js
entries()

返回值

返回一个 iterator.

示例

js
var node = document.createElement("div");
var kid1 = document.createElement("p");
var kid2 = document.createTextNode("hey");
var kid3 = document.createElement("span");
node.appendChild(kid1);
node.appendChild(kid2);
node.appendChild(kid3);

var list = node.childNodes;

// 使用 for..of 循环
for (var entry of list.entries()) {
  console.log(entry);
}

结果如下:

Array [ 0, <p> ]
Array [ 1, #text "hey" ]
Array [ 2, <span> ]

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
entries

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

参见