The iterateNext() method of the XPathResult interface iterates over a node set result and returns the next node from it or null if there are no more nodes.
XPathResult: iterateNext() method
Syntax
js
iterateNext()
Parameters
None.
Return value
The next Node within the node set of the XPathResult.
Exceptions
TYPE_ERR
In case XPathResult.resultType is not UNORDERED_NODE_ITERATOR_TYPE or ORDERED_NODE_ITERATOR_TYPE, an XPathException of type TYPE_ERR is thrown.
INVALID_STATE_ERR
If the document is mutated since the result was returned, an XPathException of type INVALID_STATE_ERR is thrown.
Examples
The following example shows the use of the iterateNext() method.
HTML
html
<div>XPath example</div>
<div>Tag names of the matched nodes: <output></output></div>
JavaScript
js
const xpath = "//div";
const result = document.evaluate(
xpath,
document,
null,
XPathResult.ANY_TYPE,
null,
);
let node = null;
const tagNames = [];
while ((node = result.iterateNext())) {
tagNames.push(node.localName);
}
document.querySelector("output").textContent = tagNames.join(", ");
Result
Specifications
| Specification |
|---|
| DOM Standard # dom-xpathresult-iteratenext |
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 | |
iterateNext |
1 | 12 | 1 | No | ≤12.1 | 3 | 4.4 | 18 | 4 | ≤12.1 | 1 | 1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/XPathResult/iterateNext