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HTML <canvas> height Attribute

❮ HTML <canvas> tag

Example

A <canvas> element with a height and width of 200 pixels:

<canvas id="myCanvas" width="200" height="200" style="border:1px solid">
Try it Yourself »

More "Try it Yourself" examples below.


Definition and Usage

The height attribute specifies the height of the <canvas> element, in pixels.

Tip: Use the width attribute to specify the width of the <canvas> element, in pixels.

Tip: Each time the height or width of a canvas is re-set, the canvas content will be cleared (see example at bottom of page).

Tip: Learn more about the <canvas> element in our HTML Canvas Tutorial.


Browser Support

The numbers in the table specify the first browser version that fully supports the attribute.

Attribute
height 4.0 9.0 2.0 3.1 9.0

Syntax

<canvas height="pixels">


Attribute Values

Value Description
pixels Specifies the height of the canvas, in pixels (e.g. "100"). Default value is 150

More Examples

Example

Clear the canvas by setting the height attribute to 300px (using JavaScript):

<canvas id="myCanvas" width="200" height="200" style="border:1px solid"></canvas>

<script>
let c = document.getElementById("myCanvas");
let ctx = c.getContext("2d");
ctx.fillStyle = "#92B901";
ctx.fillRect(50, 50, 100, 100);

function clearCanvas() {
  c.height = 300;
}
</script>
Try it Yourself »

❮ HTML <canvas> tag