JavaScript node.hasChildNodes() Method

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JavaScript node.hasChildNodes() Method

The node.hasChildNodes() method indicates whether the given Node has child nodes or not.


HTML Online Editor
<!DOCTYPE html> <html> <body> <p>Do p tag has a child?</p> <button onclick="myFunction()">Check Here</button> <script> var x = document.getElementsByTagName("p")[0]; function myFunction(){ alert(x.hasChildNodes()); } </script> </body> </html>



Return Values

trueThe node has child nodes.
falseThe node has no child nodes.

Real Time Example

In the following example, before deleting the first child from the specified parent node, we first check whether the specified parent node has any child node in it.


HTML Online Editor
<!DOCTYPE html> <html> <body> <ul><li>Honda</li><li>Yamaha</li></ul> <button onclick="myFunction()">Remove Child</button> <script> var x = document.getElementsByTagName("ul")[0]; function myFunction(){ if(x.hasChildNodes()) x.removeChild(x.childNodes[0]); else alert("No child found in ul tag"); } </script> </body> </html>


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