check checkbox by jquery code example

Example 1: jquery checkbox checked

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

Example 2: check whether a checkbox is checked in jQuery

if ($('#grepperRocks').is(':checked')) {
	// this checkbox is checked
}

Example 3: check checkbox by jquery

$('.myCheckbox').prop('checked', true);
$('.myCheckbox').prop('checked', false);

Example 4: check checkbox by jquery

$('.myCheckbox')[0].checked = true;
$('.myCheckbox')[0].checked = false;