Draw_On_Canvas_With_Mouse.html

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<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>
        canvas {
            border: 1px solid rgb(235, 17, 206);
        }
    </style>
</head>

<body>
    <br />
    <br />
    <center>
        <!-- <input type="text" id="item"> -->

        <br />
        <div id="wrapper">&#x1F4C3; &#x1F3EA; 👾</div>
        <br />
        <div id="output">Complete JavaScript Course</div>
        <br /><br />
        <!-- <div>JSON: JavaScript Object Notation</div> -->
        <input type="color" id="bgColor"> <br><br>
        <canvas id="canvas"></canvas>

        <br /><br />
    </center>
    <script>
        var canvas = document.getElementById('canvas');
        var ctx = canvas.getContext('2d');
        var output = document.getElementById('output');
        canvas.width = 700;
        canvas.height = 700;
        window.onload = init;
        var pos = {
            x: 0,
            y: 0
        };
        var bgColor = "red";
        var bgC = document.getElementById('bgColor');
        bgC.addEventListener('change', function () {
            bgColor = event.target.value;
        })

        function init() {
            canvas.addEventListener('mousemove', draw);
            canvas.addEventListener('mousemove', sPos);
            canvas.addEventListener('mouseenter', sPos);
        }

        function draw(e) {
            if (e.buttons !== 1) return;
            output.innerHTML = "X = " + pos.x + " Y = " + pos.y;
            ctx.beginPath();
            ctx.moveTo(pos.x, pos.y);
            sPos(e);
            ctx.lineTo(pos.x, pos.y);
            ctx.strokeStyle = bgColor;
            ctx.lineWidth = 10;
            ctx.lineCap = 'round';
            ctx.stroke();
        }

        function sPos(e) {
            console.dir(e);
            pos.x = e.pageX;
            pos.y = e.pageY;
        }
    </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>