JSFiddle - React, Tailwind, and code Playground

HTML

<div><span id="d">Create</span></div>
<hr />
<div><span id="e">Call</span></div>

CSS

span{
    cursor:pointer;
}

JavaScript

var fs = [];
$("#d").click(function(){
 fs = [];
 for(var i = 0; i < 100000; i++ ){
     fs.push(Function("return 2;"));
 }
});
$("#e").click(function(){
 for( var i = 0; i < fs.length; i++ ){
     for( var a = 0; a < 1000; a++ ){
         fs[i]();
     }
 }
});