TextMetrics: actualBoundingBoxDescent property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2020.
Note: This feature is available inWeb Workers.
The read-onlyactualBoundingBoxDescent property of theTextMetrics interface is adouble giving the distance from the horizontal line indicated by theCanvasRenderingContext2D.textBaseline attribute to the bottom of the bounding rectangle used to render the text, in CSS pixels.
Examples
js
const canvas = document.createElement("canvas");const ctx = canvas.getContext("2d");const text = ctx.measureText("foo"); // returns TextMetrics objecttext.actualBoundingBoxDescent; // 0;Specifications
| Specification |
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| HTML # dom-textmetrics-actualboundingboxdescent-dev |