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.
js
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.
html
<pre zero="test" one="test" two="test"></pre>
js
const pre = document.querySelector("pre"); const attrMap = pre.attributes; pre.textContent = `The attribute map contains: 0: ${attrMap.item(0).name} 1: ${attrMap[1].name} 2: ${attrMap.item(2).name}`;
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 | 4.4 | 18 | 4 | ≤12.1 | 1 | 1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/NamedNodeMap/item