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CanvasRenderingContext2D: measureText() method - Web APIs

CanvasRenderingContext2D: measureText() method

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

Syntax Parameters
text

The text string to measure.

Return value

A TextMetrics object.

Examples

Given this <canvas> element:

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

… you can get a 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 Browser compatibility See also

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