Syntax error jQuery length property

jQuery length property



The length property in jQuery is used to get the number of elements in the jQuery object.

Syntax

The syntax is as follows −

$(selector).length

Example

Let us now see an example to implement the jQuery length property 

 Live Demo

<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script>
   $(document).ready(function(){
      $("button").click(function(){
         document.getElementById("demo").innerHTML = "<br>Count = " + $("li").length
      });
   });
</script>
</head>
<body>
<h2>Devices</h2>
<ol>
<li>TV</li>
<li>Laptop</li>
<li>Headphone</li>
<li>Earphone</li>
<li>SSD</li>
</ol>
<button>Count of li</button>
<p id="demo"></p>
</body>
</html>

Output

This will produce the following output −

Click “Count of li” to get the number of li elements −

Updated on: 2019-12-31T09:25:52+05:30

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