web api instance property
TextMetrics: emHeightDescent property
Available in workers
The read-only emHeightDescent property of the TextMetrics interface returns the distance from the horizontal line indicated by the textBaseline property to the bottom of the em square in the line box, in CSS pixels.
Value
A number, in CSS pixels.
Examples
const canvas = document.createElement("canvas");
const ctx = canvas.getContext("2d");
const text = ctx.measureText("foo"); // returns TextMetrics object
text.emHeightDescent; // -2.40234375;
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.