how to set attribute to checkbox jquery code example
Example 1: Setting “checked” for a checkbox with jQuery
$('.myCheckbox').prop('checked', true);
$('.myCheckbox').prop('checked', false);
Example 2: jquery set checkbox checked
<script>
//jQuery 1.6+ use
$('#checkbox').prop('checked', true);
//jQuery 1.5.x and below use
$('#checkbox').attr('checked', true);
</script>