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XPathResult.iterateNext()

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.

Syntax

iterateNext()

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

<div>XPath example</div>
<div>Tag names of the matched nodes: <output></output></div>

JavaScript

var xpath = "//div";
var result = document.evaluate(xpath, document, null, XPathResult.ANY_TYPE, null);
var node = null;
var tagNames = [];
while(node = result.iterateNext()) {
  tagNames.push(node.localName);
}
document.querySelector("output").textContent = tagNames.join(", ");

Result

Specifications

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
1
18
4
≤12.1
1
1.0

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https://developer.mozilla.org/en-US/docs/Web/API/XPathResult/iterateNext