Search ACF Field in WordPress (JS)

document.addEventListener('DOMContentLoaded', function () {
		const input = document.querySelector('input[name="s_q_fulltext"]');
		input.addEventListener('keydown', function (event) {
			if (event.key === 'Enter') {
				event.preventDefault();
				submitSearch();
			}
		});
	});

	function submitSearch() {
		const keyword = document.querySelector('input[name="s_q_fulltext"]').value;
		const url = '<?php echo esc_url(home_url('/search')); ?>' + '?s_q_fulltext=' + encodeURIComponent(keyword || '');
		window.location.href = url;
	}