TextMetrics: emHeightDescent property

Note: This feature is available in Web Workers.

The read-only emHeightDescent property of the TextMetrics interface returns the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the bottom of the em square in the line box, in CSS pixels.

Value

A number, in CSS pixels.

Examples

js
const canvas = document.createElement("canvas");
const ctx = canvas.getContext("2d");
const text = ctx.measureText("foo"); // returns TextMetrics object

text.emHeightDescent; // -2.40234375;

Specifications

Specification
HTML Standard
# dom-textmetrics-emheightdescent-dev

Browser compatibility

BCD tables only load in the browser

See also