JavaScript node.previousSibling Property
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JavaScript node.previousSibling Property
The node.previousSibling
property returns the previous node of the specified node, in the same tree level.
Note: This property is read-only.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<div>Div 1</div>
<h1>Heading 1</h1>
<p>Paragraph 1</p>
<p>Click the button to find the previousSibling of h1 tag.</p>
<button onclick="myFunction()">Click Me</button>
<p id="point"></p>
<script>
var x = document.getElementById("point");
var y = document.getElementsByTagName("h1")[0];
function myFunction(){
//Try to replace "previousSibling" by "previousSibling.previousSibling"
x.innerHTML = y.previousSibling.nodeName;
}
</script>
</body>
</html>
Syntax
node.previousSibling
Return Values
Value | Explanation |
---|---|
Object | Returns the previous node of the specified node, in the same tree level. |
null | If there in no previous sibling. |
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