Javascript DOM HTML Element children Property get

Introduction

Find out how many children a <div> element has: 

var c = document.getElementById("myDIV").children.length;

Click the button to find out how many children the div element below has.

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<!DOCTYPE html>
<html>
<head>
<style>
div {/*w w  w  .java  2  s.  c  o m*/
  border: 1px solid black;
  margin: 5px;
}
</style>
</head>
<body>
<button onclick="myFunction()">Test</button>

<div id="myDIV">
  <p>First p element (index 0)</p>
  <p>Second p element (index 1)</p>
</div>

<p id="demo"></p>

<script>
function myFunction() {
  var c = document.getElementById("myDIV").children.length;
  document.getElementById("demo").innerHTML = c;
}
</script>

</body>
</html>

The childNodes property contain all nodes, including text nodes and comment nodes.

The children property only contain element nodes.




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