get the checked value in jquery code example

Example 1: jquery checkbox checked value

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

Example 2: jquery get value checkbox checked

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

//or

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

Example 3: get value of checked checkboxes jquery

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