jquery checkbox make checked code example

Example 1: jquery set checkbox checked

//jQuery 1.6+ use
$('.checkbox').prop('checked', true);
//jQuery 1.5.x and below use
$('.checkbox').attr('checked', true);

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>

Example 3: jquery checkbox checked

$("checkbox").is(":checked")

Example 4: jquery in checkbox checked

// Check a checkbox
$(selector).prop('checked', true);
// Un-check a checkbox
$(selector).prop('checked', false);
// Determine if checked or not
isChecked = $(selector).prop('checked');