jquery set checkbox checked unchecked
//jQuery 1.6+ use
$('.checkbox').prop('checked', true); //false for uncheck
//jQuery 1.5.x and below use
$('.checkbox').attr('checked', true); //false for uncheckjquery set checkbox checked unchecked
//jQuery 1.6+ use
$('.checkbox').prop('checked', true); //false for uncheck
//jQuery 1.5.x and below use
$('.checkbox').attr('checked', true); //false for uncheckget unchecked checkbox jquery
if ($("#check_box_id").is(':checked')) {
alert("checked");
}else{
alert("unchecked");
}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>Copyright © 2021 Codeinu
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