CanvasRenderingContext2D.direction
Experimental: 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 to draw text.
Value
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 theDocument
as appropriate. Default value.
The default value is "inherit"
.
Examples
Changing text direction
This example draws two pieces of text. The first one is left-to-right, and the second
is right-to-left. Note that "Hi!" in ltr
becomes "!Hi" in rtl
.
HTML
<canvas id="canvas"></canvas>
JavaScript
var canvas = document.getElementById('canvas');
var ctx = canvas.getContext('2d');
ctx.font = '48px serif';
ctx.fillText('Hi!', 150, 50);
ctx.direction = 'rtl';
ctx.fillText('Hi!', 150, 130);
Result
Specifications
Specification |
---|
HTML Standard # dom-context-2d-direction-dev |
Browser compatibility
BCD tables only load in the browser
See also
- The interface defining this property:
CanvasRenderingContext2D