learning_1.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #demo {
            width: 100%;
            border: 2px solid red;
            color: darkgreen;
            background-color: skyblue;
        }

        #hack {
            background-color: black;
            color: green;
            width: 200px;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 30vh;
        }
        #here{
            font-weight: 600;
            background-color: red;
            width: 100px;
            border: 0px solid;
            border-radius: 60px;
            padding: 10px;
            animation: animate_button 0.9s ease-in 0.9s infinite;
        }
        .anima{
            height: 100px;
            width: 100px;
            background-color: black;
            color: white;
            display: grid;
            grid-template-columns: 0;
            margin: 0;
        }
        .inside{
            animation: bouncer 0.7s ease-in-out 0.2s infinite ;
        }
        @keyframes bouncer {
            0%{
                margin-top:0px;
            }
            25%{
                margin-top: 20px;
            }
        }
    </style>
</head>

<body>
    <script>
        alert("hi dude")
    </script>
    <h1>header</h1>
    <button type="button" onclick="document.write(10+10)">click to check the result</button>
    <h3>Want to print the current page? click this button!</h3>
    <button type="button" onclick="window.print()">Print</button>
    <p id="demo"></p>
    <div id="hack">
        <div id="inner">
            <button id="here" type="button" onclick="cool()">Show some cool stuffs</button>
            <marquee id="cool" behavior="slide" direction="left" ></marquee>
        </div>
    </div>
    <script>
        document.write(5 + 6)
        console.log(10)
        document.getElementById("demo").innerHTML =
            "Hello world This is made from java script magic!!";
        function cool() {
            document.getElementById("here").value;
            document.getElementById("here").innerHTML = 
            "COOL STUFFS";
        }
    </script>
    <div class="anima">
        <div class="inside">Hii</div><br>
    </div>
</body>
</html>