Preview:
<!DOCTYPE html>

<html>

<head>

    <title>Hello World Example</title>

</head>

<body>

<h2>Check console, page, and alert!</h2>

<script>

    // 1️⃣ Display in browser console

    console.log("Hello World");

    // 2️⃣ Display on web page

    document.write("Hello World<br>");

    // 3️⃣ Display in alert box

    alert("Hello World");

</script>

</body>

</html>
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