Typeis.js playground

HTML

<script src="https://rawgit.com/typeis/typeisjs/master/dist/typeis.min.js"></script>
<input type="text" id="content" value="[]">
<button id=getType>typeis</button>
<p class='info'>try this "{}", "/test/g", "new Date()" etc.</p>

CSS

.info {
  color: #666;
}

JavaScript

let btn = document.querySelector('#getType');

btn.onclick = e => {
	let something = eval(`(${document.querySelector('#content').value})`);
	alert(something.typeis());
}