Perform global search on DataTables either via enter keypress or button click

datatables.js

// reset search on input clear / special 'x' click
$('.dataTables_filter input')
.unbind()
.bind('keyup input', function (e) { // works both for keyboard input and for special 'x' click mouse input
	var searchTerm = $(this).val().trim();

	if (searchTerm === '' || e.keyCode === 13) {
		prodFilesTable.search(searchTerm).draw();
	}
});

// perform search on button click
$('.search').click(function () {
	prodFilesTable.search($('.dataTables_filter input').val()).draw();
});