HTML Canvas Drawing

Last Updated : 28 Apr, 2025

HTML Canvas Drawing facilitates the <canvas> element, along with Properties that help to draw on the HTML canvas. The various properties, attributes & events can be used with <canvas> element. Utilizing JavaScript, we can manipulate the canvas element to draw shapes, paths, and images, providing a versatile platform for interactive and engaging web content.

Syntax

ctx1.fillRect(50, 50, 200, 200);
ctx2.strokeRect(50, 50, 180, 180);

Example: In this example, we will see the implementation of the Canvas drawing with fillStyle.

HTML

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

<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width,
                   initial-scale=1.0">
    <title>HTML Canvas Drawing</title>
    <link rel="stylesheet" 
          href="style.css">
</head>

<body>
    <div class="box">
        <p class="gfg">GeeksforGeeks</p>
        <h1>HTML Canvas Drawing</h1>
        <div>
            <canvas id="canvas1-id" 
                    width="300" 
                    height="300">
            </canvas>
        </div>
    </div>
    <script src="script.js"></script>

</body>

</html>

CSS

@import url(
'https://fonts.googleapis.com/css2?family=Poppins&display=swap');

body {
    font-family: 'Poppins', sans-serif;
}

#canvas1-id {
    border: 2px solid black;
    border-radius: 5px;
}

.gfg {
    color: green;
    font-size: 45px;
}

.text-area {
    font-size: 20px;
}

.box {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    flex-direction: column;
    flex-wrap: wrap;
}

JavaScript

const canvas1Element =
document.getElementById("canvas1-id").getContext("2d");

canvas1Element.fillStyle = "green";
canvas1Element.fillRect(50, 50, 200, 200);

Output:

rectfill — HTML Canvas Drawing with fillStyle

Example 2: In this example, we will see the implementation of the Canvas drawing with strokeStyle and lineWidth.

HTML

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

<head>
    <meta charset="UTF-8">
    <meta name="viewport" 
          content="width=device-width,
                   initial-scale=1.0">
    <title>HTML Canvas Drawing</title>
    <link rel="stylesheet" href="style.css">
</head>

<body>
    <div class="box">
        <p class="gfg">GeeksforGeeks</p>
        <h1>HTML Canvas Drawing</h1>
        <div>
            <canvas id="canvas1-id"
                    width="300"                                 
                    height="300">
            </canvas>
        </div>
    </div>
    <script src="script.js"></script>

</body>

CSS

/* Write CSS Here */
@import
url('https://fonts.googleapis.com/css2?family=Poppins&display=swap');

body {
    font-family: 'Poppins', sans-serif;
}

#canvas1-id {
    border: 2px solid black;
    border-radius: 5px;
}

.gfg {
    color: green;
    font-size: 45px;
}

.text-area {
    font-size: 20px;
}

.box {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    flex-direction: column;
    flex-wrap: wrap;
}

JavaScript

const canvas2Element = 
    document.getElementById("canvas1-id")
const ele =
    canvas2Element.getContext("2d");
ele.strokeStyle = "blue";
ele.lineWidth = 2;
ele.strokeRect(50, 50, 180, 180)

Output:

rectst — HTML Canvas Drawing with strokeStyle

HTML Canvas Coordinates

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HTML Canvas Drawing

Syntax

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