The readonly TextMetrics.width property contains the text's advance width (the width of that inline box) in CSS pixels.
readonly metrics.width;
Given this <canvas> element:
<canvas id="canvas"></canvas>
You can get a TextMetrics object using the following code:
var canvas = document.getElementById("canvas");
var ctx = canvas.getContext("2d");
var text = ctx.measureText("foo"); // TextMetrics object
text.width; // 16;
| Specification | Status | Comment |
|---|---|---|
| HTML Living Standard The definition of 'TextMetrics.width' in that specification. | Living Standard |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 4 | 12 | 1.5 | 9 | 9 | 3.1 |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | 2 | ? | ? | 4 | Yes | 3.2 | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/TextMetrics/width