JSFiddle - React, Tailwind, and code Playground

HTML

<input id="inputt" type="text" />

JavaScript

$(document).ready(function () {

   $("#inputt").change(

   	function() {

	    if ($(this).val().toLowerCase() === "melee") {

	        alert("You typed MELEE");

	    } else if ($(this).val().toLowerCase() === "knuckle") {

	        alert("You typed KNUCKLE");

      	} else {

	        alert("Neither!!!");
	        $('.knuckle').hide();
	        $('.melee').hide();

        }

   });

});