Answers for "checkbox checked value in jquery"

jQuery is checkbox checked

//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
}

jquery checkbox set checked

//For jQuery 1.6 and above
$('#myCheckBoxID').prop('checked', true);
//For jQuery Before 1.6
$('#myCheckBoxID').attr('checked','checked');

get value of selected checkbox jquery

$('#checkbox_id:checked').val();
//if checkbox is selected than gets its value

jquery get value checkbox checked

console.log($('input[name="locationthemes"]:checked').serialize());

//or

$('input[name="locationthemes"]:checked').each(function() {
   console.log(this.value);
});

set checkbox checked jquery

$("#checkboxid").prop('checked', true);  // Checks the box
$("#checkboxid").prop('checked', false); // Unchecks the box