Select / Deselect all checkboxes using jQuery
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Select / Deselect all checkboxes using jQuery</title>
</head>
<body>
<ul class="main">
<li><input type="checkbox" id="select_all" /> Select all</li>
<ul>
<li><input type="checkbox" class="checkbox" value="1"/>Item 1</li>
<li><input type="checkbox" class="checkbox" value="2"/>Item 2</li>
<li><input type="checkbox" class="checkbox" value="3"/>Item 3</li>
<li><input type="checkbox" class="checkbox" value="4"/>Item 4</li>
<li><input type="checkbox" class="checkbox" value="5"/>Item 5</li>
</ul>
</ul>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$('#select_all').on('click',function(){
if(this.checked){
$('.checkbox').each(function(){
this.checked = true;
});
}else{
$('.checkbox').each(function(){
this.checked = false;
});
}
});
$('.checkbox').on('click',function(){
if($('.checkbox:checked').length == $('.checkbox').length){
$('#select_all').prop('checked',true);
}else{
$('#select_all').prop('checked',false);
}
});
});
</script>
</body>
</html>
VIDEO
