TextMetrics: actualBoundingBoxAscent property

{{APIRef("Canvas API")}}{{AvailableInWorkers}}

The read-only actualBoundingBoxAscent property of the {{domxref("TextMetrics")}} interface is a double giving the distance from the horizontal line indicated by the {{domxref("CanvasRenderingContext2D.textBaseline")}} attribute to the top of the bounding rectangle used to render the text, in CSS pixels.

Examples

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

text.actualBoundingBoxAscent; // 8;

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• {{domxref("TextMetrics")}}