uncheck all checkbox befopre check it jquery

<form id="form1" action="/controller/action" method="post"> <input type="checkbox" name="box1" class="cBox" /> <input type="checkbox" name="box2" class="cBox" /> <input type="checkbox" name="box3" class="cBox" /> <input type="submit" value="Submit" /> </form> <script> $('#form1').submit(function() { if ($('input:checkbox', this).length == $('input:checked', this).length ) { // everything's fine... } else { alert('Please tick all checkboxes!'); return false; } }); </script>

check / unchecked a checkbox with jQuery

<html>
<head>
<title>jQuery check / uncheck a check box example</title>
 
<script type="text/javascript" src="jquery-1.3.2.min.js"></script>

</head>

<body>

<h1>jQuery check / uncheck a check box example</h1>

<script type="text/javascript">

  $(document).ready(function(){

    $("#isCheck").click(function () {
		
	alert($('input:checkbox[name=checkme]').is(':checked'));
			
    });
	
    $("#checkIt").click(function () {
		
	$('input:checkbox[name=checkme]').attr('checked',true);
			
    });
	
    $("#UnCheckIt").click(function () {
		
	$('input:checkbox[name=checkme]').attr('checked',false);
			
    });	
		
  });
</script>
</head><body>

<input type="checkbox" name="checkme">Check Me</input>

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

<input type='button' value='Is Check' id='isCheck'>
<input type='button' value='Check It' id='checkIt'>
<input type='button' value='UnCheck It' id='UnCheckIt'>

</body>
</html>

Posted by: Guest on March-06-2022

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