The item()
method of the NamedNodeMap
interface returns the item in the map matching the index.
Note: This method is also called when you use the operator []
syntax. So, myMap[i]
is equivalent to myMap.item(i)
where i
is a Number
.
The item()
method of the NamedNodeMap
interface returns the item in the map matching the index.
Note: This method is also called when you use the operator []
syntax. So, myMap[i]
is equivalent to myMap.item(i)
where i
is a Number
.
item(index); [index];
index
A Number
representing the index of the item you want to return.
An Attr
or null
if the number is greater than or equal to the length
of the map.
<pre zero="test" one="test" two="test"></pre>
const pre = document.getElementsByTagName("pre")[0]; const attrMap = pre.attributes; let result = "The attribute map contains: \n" result += "0: " + attrMap.item(0).name + "\n"; result += "1: " + attrMap[1].name + "\n"; result += "2: " + attrMap.item(2).name + "\n"; pre.textContent = result;
Specification |
---|
DOM Standard # dom-namednodemap-item |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
item |
1 |
12 |
1 |
5 |
≤12.1 |
1 |
1 |
18 |
4 |
≤12.1 |
1 |
1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/NamedNodeMap/item