JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" value="click">

JavaScript

$('input').click(function()
             {
                 if (jQuery.support.leadingWhitespace) {
                     alert(" not IE 6, 7, or 8");
                         }
                         else {
                         alert("IE 6, 7, or 8");
                         }
                     });