The NodeList.keys() method returns an iterator allowing to go through all keys contained in this object. The keys are unsigned integer.
NodeList.keys()
Syntax
nodeList.keys();
Return value
Returns an iterator.
Example
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; // Using for..of for(var key of list.keys()) { console.log(key); }
The result is:
0 1 2
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
keys |
51
|
16
|
50
|
No
|
38
|
10
|
51
|
51
|
50
|
41
|
10
|
5.0
|
See also
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/NodeList/keys
