index.html

<!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">
    <link rel="stylesheet" href="index.css">
    <title>TASK_7</title>
</head>

<body>
    <!-- JAVASCRIPT PART -->
    <script>
        function task7() {

            input = document.getElementById("input1").value

            var req = new XMLHttpRequest();

            req.open("GET", "http://192.168.0.111/cgi-bin/docker.py?x=" + input, true);

            req.send();

            req.onload = function () {
                var output = req.responseText;
                document.getElementById("div4").innerHTML = output;
            }
        }
    </script>
    
    <!-- HTML PART -->
    <div id="particles-js">
        <img id="docker-img" src="docker1.png" alt="docker image">
        <div id="div1">
            <label id="label1" for="cmd">[root@localhost ~]#</label>
            <input id="input1" type="text">
            <button id="button1" onclick="task7()">Enter</button>
        </div>
        <div id="div2">
            <p id="p1">OUTPUT</p>
            <pre>
                <div id="div4"></div>
            </pre>
        </div>
    </div>
    <script src="particles.js-master/particles.js"></script>
    <script src="particles.js-master/demo/js/app.js"></script>
</body>

</html>