Custom Search by Title Functionality

HTML

<form>
<input type="text" id="searchEntry" placeholder="Search By Titles">
<button id="searchBtn" onclick="filterFunction()"> Submit</button>
</form>
//repeatation div
<div id="divId">
..........
........
</div>

JS

<script>
		function filterFunction()  {
			var value = $("#searchEntry").val().toLowerCase();
				$("#divId").filter(function() {
				$(this).toggle($(this).text()
				.toLowerCase().indexOf(value) > -1)
						
			});
				
			$("#searchEntry").val('');
		}		
</script>