JavaScript/Intermediate_JavaScript/IIFE Immediately-invoked-function.html at master · TheShubham-K/JavaScript · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>&#x1F3F4;&#x200D;&#x2620;&#xFE0F; Complete Javascripts Course</title>
    <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" rel="stylesheet"
        integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous" />
    <style>

    </style>
</head>

<body>
    <br />
    <br />
    <center>
        <!-- <input type="text" id="item"> -->
        <br />
        <div id="wrapper">&#x1F4C3; &#x1F3EA; 👾</div>
        <br />
        <div id="message">Complete JavaScript Course</div>
        <!-- <input type="button" class="btn btn-outline-warning" onClick="lookUp()" value="Find Text"> -->

        <br /><br />
    </center>
    <script>
        var message = document.getElementById("message");
        var output = document.getElementById("output");

        (function () {
            // IIFE
            var message = "Hello world";
            document.getElementById('output').innerHTML = message;
        })();
    </script>


    <script src="https://code.jquery.com/jquery-3.5.0.js"
        integrity="sha256-r/AaFHrszJtwpe+tHyNi/XCfMxYpbsRg2Uqn0x3s2zc=" crossorigin="anonymous"></script>
    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.bundle.min.js"></script>
</body>

</html>