Share_ME/top.php at main · Saba633/Share_ME · GitHub

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

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
#myBtn {
    display: none;
    /* Hidden by default */
    position: fixed;
    /* Fixed/sticky position */
    bottom: 20px;
    /* Place the button at the bottom of the page */
    right: 30px;
    /* Place the button 30px from the right */
    z-index: 99;
    /* Make sure it does not overlap */
    border: none;
    /* Remove borders */
    outline: none;
    /* Remove outline */
    opacity: 0.52;
    /* Set a background color */
    color: white;
    /* Text color */
    cursor: pointer;
    /* Add a mouse pointer on hover */
    padding: 15px;
    /* Some padding */
    border-radius: 10px;
    /* Rounded corners */
    font-size: 18px;
    /* Increase font size */
}

#myBtn:hover {
    background-color: red;
    /* Add a dark-grey background on hover */
}
</style>

<body>
    <button onclick="topFunction()" id="myBtn" title="Go to top">Top</button>
    <script>
    let mybutton = document.getElementById("myBtn");

    // When the user scrolls down 20px from the top of the document, show the button
    window.onscroll = function() {
        scrollFunction()
    };

    function scrollFunction() {
        if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
            mybutton.style.display = "block";
        } else {
            mybutton.style.display = "none";
        }
    }

    // When the user clicks on the button, scroll to the top of the document
    function topFunction() {
        document.body.scrollTop = 0; // For Safari
        document.documentElement.scrollTop = 0; // For Chrome, Firefox, IE and Opera
    }
    </script>
</body>

</html>