JSFiddle - React, Tailwind, and code Playground

by mozfet

HTML

<body>
 <div id="result">
 </div>
</body>

JavaScript

window.onload = function () {
	$('#result').text = isNumber('1')
}

function isNumber (text) {
  if(text.match([0-9])) {
    return true;
  }
  return false;
}