NodeList.entries()

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

list.entries();

返回值

返回一个 iterator.

例子

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> ]

规范

Specification Status Comment
DOM
entries() (as iterable<Node>)
Living Standard Initial definition.

浏览器兼容性

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help! (en-US)
Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support ? 50 (50) ? ? ?
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS (Gecko) IE Mobile Opera Mobile Safari Mobile Chrome for Andorid
Basic support ? ? 50.0 (50) ? ? ? ? ?

 

相关链接