CanvasRenderingContext2D: measureText() method
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The
CanvasRenderingContext2D.measureText()
method returns a TextMetrics
object that contains information about the
measured text (such as its width, for example).
Syntax
js
measureText(text)
Parameters
text
-
The text string to measure.
Return value
A TextMetrics
object.
Examples
Given this <canvas>
element:
html
<canvas id="canvas"></canvas>
… you can get a TextMetrics
object using the following code:
js
const canvas = document.getElementById("canvas");
const ctx = canvas.getContext("2d");
let text = ctx.measureText("Hello world");
console.log(text.width); // 56;
Specifications
Specification |
---|
HTML Standard # dom-context-2d-measuretext-dev |
Browser compatibility
BCD tables only load in the browser
See also
- The interface defining this method:
CanvasRenderingContext2D
TextMetrics