Answers for "check checkbox with value jquery"

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
}

jquery checkbox checked value

if ($('#check_id').is(":checked"))
{
  // it is checked
}

get the value of a checkbox jquery

$("input[type='checkbox']").val();
$('#check_id').val();