how to check a checkbox using jquery code example

Example 1: Setting “checked” for a checkbox with jQuery

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

Example 2: How to check whether a checkbox is checked in jQuery?

//using plane javascript 
if(document.getElementById('on_or_off_checkbox').checked) {
    //I am checked
} 

//using jQuery
if($('#on_or_off_checkbox').is(':checked')){
    //I am checked
}

Example 3: jquery checkbox checked

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

Example 4: check whether a checkbox is checked in jQuery

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

Example 5: check checkbox by jquery

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