JSFiddle - React, Tailwind, and code Playground

by Nikolay Semenov

HTML

<body>

<h1>My Web Page</h1>

<p id="demo">A Paragraph.</p>

<button type="button" onclick="myFunction()">Try it</button>

<p><strong>Note:</strong> myFunction is stored in an external file called "myScript.js".</p>

</body>

JavaScript

function myFunction() {
    
    var x = 1 + 2;
    document.getElementById("demo").innerHTML = "Paragraph changed.";
    //return x;
    
}