JSFiddle - React, Tailwind, and code Playground

by Michele Marcucci

HTML

<script src="//cdnjs.cloudflare.com/ajax/libs/jspdf/0.9.0rc1/jspdf.min.js"></script>
<p>You
    <input type="text" id="t1">one job.</p>
<input type="image" src="http://mygimptutorial.com/images/button-with-reflection/13.jpg" id="tick" />

JavaScript

function check() {
    var txt = document.getElementById('t1').value;

    if (txt === "had") {
        document.getElementById('tick').src = "http://www.artofprestonasevedo.com/images/selected.jpg";
    } else {
        document.getElementById('tick').src = "http://www.theprofessionalsedge.com/Proedge2/Services_files/red20web20button_4.png";
    }
};

var press = document.getElementById('tick');
press.addEventListener("click", check);