JSFiddle - React, Tailwind, and code Playground

HTML

<body>
	<span style="color:green;">Quantifier:</span>
	<input id="quantifier" style="color:green;" type="text"></input>
	<button onclick="scaffold()">Scaffold</button>
	<button onclick="start()">Start</button>
	<button onclick="tearDown()">Clean</button>
	<br/>
</body>

JavaScript

var size = 1000*100
window.onload = function() {
  document.getElementById("quantifier").value = size
}

function scaffold()
{
  console.log("processing Scaffold...");
  a = new Array
}
function start()
{
  size = document.getElementById("quantifier").value
  console.log("Starting... quantifier is " + size);
  console.log("starting test")
  for (i=0; i<size; i++){
    a[i]="something"
  }
  console.log("done...")
}

function tearDown()
{
  console.log("processing teardown");
  a.length=0
}