Untitled

<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
    $("#myButton").on("click", function() {
        var value = $(this).val().toLowerCase();
        $("#myDIV *").filter(function() {
            $(this).toggle($(this).text().toLowerCase().indexOf(value) > -1)
        });
    });
});
</script>
</head>
<body>

<h2>Filter Anything</h2>
<p>Type something in the input field to search for a specific text inside the div element with id="myDIV":</p>
<input id="myButton" type="button" value="Public Safety">

<div id="myDIV">
<li>Test 1</li>
<li>Girl Please</li>
<li>YO YO YO YO</li>
<li>Public Safety</li>
</div>

</body>
</html>