CanvasRenderingContext2D: measureText() method

{{APIRef("Canvas API")}}

The CanvasRenderingContext2D.measureText() method returns a {{domxref("TextMetrics")}} object that contains information about the measured text (such as its width, for example).

Syntax

measureText(text)

Parameters

• text
  • : The text string to measure.

Return value

A {{domxref("TextMetrics")}} object.

Examples

Given this {{HTMLElement("canvas")}} element:

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

… you can get a {{domxref("TextMetrics")}} object using the following code:

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

let text = ctx.measureText("Hello world");
console.log(text.width); // 56;

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• The interface defining this method: {{domxref("CanvasRenderingContext2D")}}
• {{domxref("TextMetrics")}}