JSFiddle - React, Tailwind, and code Playground
by Alex Fogarty
HTML
<h1>The Amazing Adder</h1>
<div>
<input id="num1" type="text" size="3" />+
<input id="num2" type="text" size="3" />= <span id="answer"></span>
<br />
<button id="clickme">Compute!</button>
</div>
JavaScript
var thebutton = document.getElementById("clickme");
thebutton.addEventListener('click', computed);
function computed(){
var input1 = document.getElementById("num1");
var input2 = document.getElementById("num2");
var answer = document.getElementById("answer");
var result = (input1.value) + (input2.value);
answer.innerHTML = result;
}