get value of selected checkbox jquery

1$('#checkbox_id:checked').val();
2//if checkbox is selected than gets its value

1console.log($('input[name="locationthemes"]:checked').serialize());
2
3//or
4
5$('input[name="locationthemes"]:checked').each(function() {
6   console.log(this.value);
7});

1$("#merge_button").click(function(event){
2    event.preventDefault();
3    var searchIDs = $("#find-table input:checkbox:checked").map(function(){
4      return $(this).val();
5    }).get(); // <----
6    console.log(searchIDs);
7});
8