how to get selected value of checkbox by name in jquery code example

Example 1: get value of selected checkbox jquery

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

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);
});