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CanvasRenderingContext2D.direction

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The CanvasRenderingContext2D.direction property of the Canvas 2D API specifies the current text direction used when drawing text.

Syntax

ctx.direction = "ltr" || "rtl" || "inherit";

Options

Possible values:

"ltr"
The text direction is left-to-right.
"rtl"
The text direction is right-to-left.
"inherit"
The text direction is inherited from the <canvas> element or the Document as appropriate.

The default value is "inherit".

Examples

Using the direction property

This example uses the direction property to set the text direction.

HTML

<canvas id="canvas"></canvas>

JavaScript

var canvas = document.getElementById('canvas');
var ctx = canvas.getContext('2d');

ctx.font = '48px serif';
ctx.direction = 'ltr';
ctx.strokeText('Hello world', 0, 100);

Edit the code below to see your changes update live in the canvas:

Specifications

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support Yes
Disabled
Yes
Disabled
Disabled This feature is behind the Experimental Web Platform Features preference. To change preferences in Chrome, visit chrome://flags.
? No No No Yes
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support Yes Yes ? No No Yes Yes

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/direction