JSFiddle - React, Tailwind, and code Playground
by Praveen Kumar Purushothaman
HTML
<div id="name">Vennila</div>
JavaScript
$(document).ready(function(){
fz = 10;
$("#name").css("font-size", fz + "px");
$(document).keyup(function(e){
if (e.keyCode == 16)
$("#name").css("font-size", (fz--) + "px");
else if (e.keyCode == 17)
$("#name").css("font-size", (fz++) + "px");
});
});