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jQuery check if an element is exists in dom

Today, We want to share with you jQuery check if an element is exists.In this post we will show you jquery check if class exists within div, hear for Check if HTML element exists jquery we will give you demo and example for implement.In this post, we will learn about jquery check if dynamic element exists with an example.

jQuery check if an element is exists

There are the Following The simple About jQuery check class and id if an element is exists Full Information With Example and source code.

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As I will cover this Post with live Working example to develop jquery check if div exists by class, so the jquery check if id exists for this example is following below.

Check if Element Exists Using Javascript or jQuery

For jQuery example,

if($('#content1').length){
	alert("Content1 exists");
}else{
	alert("Content1 does not exists");
}

jQuery length example

<html>
<head>
<title>pakainfo.com - Check if element exists in jQuery</title>
<script type="text/javascript" src="jquery-1.3.2.min.js"></script>

</head>

<body>

<h1>jQuery check if an element exists</h1>

<script type="text/javascript">

  $(document).ready(function(){

    $("#buttonContent1").click(function () {
		
	if($('#content1').length){
		alert("Content1 exists");
	}else{
		alert("Content1 does not exists");
	}
			
    });

    $("#buttonContent2").click(function () {
		
	if($('#content2').length){
		alert("Content2 exists");
	}else{
		alert("Content2 does not exists");
	}
			
    });
	
  });
</script>
</head><body>

<div id="content1">
	<b>This is Content element which has an ide of "content1"</b>
</div>

<br/>
<br/>
<br/>

<input type='button' value='content1 exists?' id='buttonContent1'>
<input type='button' value='content2 exists?' id='buttonContent2'>

</body>
</html>

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Summary

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