How to Get and Set Scroll Position of an Element using JavaScript ?

How to count all child elements of a particular element using JavaScript ?

Last Updated : 15 Feb, 2023

Given an HTML document containing some elements nested elements and the task is to count all the child elements of a particular element. It is very simple to count the number of child elements of a particular element using JavaScript. For example: If you have a parent element consisting of many child elements then you can use HTML DOM childElementCount property to count all the child elements of a particular element.

Syntax

node.childElementCount

Example:

html

<h1 style="color:green">GeeksforGeeks</h1> 
  
<h3> 
    Click the button to count all<br> 
    children the div element 
</h3> 
  
<h5>Count all child elements of <ul> elements</h5> 
<ul id="parentID"> 
    <li>First element</li> 
    <li>Second element</li> 
    <li>Third element</li> 
    <li>Fourth element</li> 
</ul> 
  
<button onclick="myGeeks()"> 
    Click Here! 
</button> 
  
<h5 id="GFG"></h5> 
  
<script> 
    // This function count the child elements 
    function myGeeks() { 
        var count = document.getElementById( 
            "parentID").childElementCount; 
      
        document.getElementById("GFG").innerHTML 
            = "Total Number of Child node: " 
            + count; 
    } 
</script>

Output:

How to count all child elements of a particular element using JavaScript ?

How to count all child elements of a particular element using JavaScript ?

How to Get and Set Scroll Position of an Element using JavaScript ?

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