The read-only fontBoundingBoxDescent property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline attribute to the bottom of the bounding rectangle of all the fonts used to render the text, in CSS pixels.
TextMetrics.fontBoundingBoxDescent
Examples
const canvas = document.createElement('canvas'); const ctx = canvas.getContext('2d'); const text = ctx.measureText('foo'); // returns TextMetrics object text.fontBoundingBoxDescent; // 3;
Specifications
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
fontBoundingBoxDescent |
87
35-87
|
87
79-87
|
74
|
No
|
73
|
11.1
|
87
|
87
35-87
|
No
|
62
|
11.3
|
14.0
|
See also
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/TextMetrics/fontBoundingBoxDescent
