jquery checked checkbox value code example

Example 1: 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 2: jquery checkbox checked value

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

Example 3: checkbox is checked jquery

$(your_checkbox).is(':checked');

Example 4: get the value of a checkbox jquery

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

Example 5: get value of checked checkboxes jquery

var values = $('input[name=grepperRocks]:checked')
               .map(() => { return this.value }).get();