The CanvasRenderingContext2D.direction property of the Canvas 2D API specifies the current text direction used to draw text.

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. Default value.

The default value is "inherit".

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

const canvas = document.getElementById("canvas");
const ctx = canvas.getContext("2d");

ctx.font = "48px serif";
ctx.fillText("Hi!", 150, 50);
ctx.direction = "rtl";
ctx.fillText("Hi!", 150, 130);

Result

• The interface defining this property: CanvasRenderingContext2D