JSFiddle - React, Tailwind, and code Playground

by javascriptenlightenment

HTML

<script src="https://getfirebug.com/firebug-lite-debug.js"></script>
<!-- disregard this pane, html is shown in the "result" pane -->




































































<h4><strong>&larr; Code Example from <a href="http://www.javascriptenlightenment.com/" target="_blank">JavaScript Enlightenment Book</a> by <a href="http://www.codylindley.com" target="_blank">Cody Lindley</a></strong></h4>

<p>JavaScript code is executed on page load. Click the "Run" button in the top bar to re-run the JavaScript code. Output is logged to the <a href="http://getfirebug.com/firebuglite" target="_blank">Firebug Lite</a> console below &darr;.</p>

JavaScript

var foo = 0; // global scope
console.log(foo); // logs 0

var myFunction = function() {

    var foo = 1; // local scope

    console.log(foo); // logs 1

    var myNestedFunction = function() {

        var foo = 2; // local scope

        console.log(foo); // logs 2
    }();
}();

eval('var foo = 3; console.log(foo);'); // eval() scope