Answers for "check if checkbox is checked in 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

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

jquery check if checkbox is not checked

if (!$("#checkboxID").is(":checked")) {
    // do something if the checkbox is NOT checked
}

jquery detect when a checkbox is checked

$(".checkbox").change(function() {
    if(this.checked) {
        //Do stuff
    }
});

jquery is checked

if ($('[name="your_input_checkbox_name"]').is(":checked"))
{
  // it is checked
} else {
  // it isn't checked	
}

How to check checked checkbox in jquery

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