The read-only actualBoundingBoxLeft property of the TextMetrics interface is a double giving the distance parallel to the baseline from the alignment point given by the CanvasRenderingContext2D.textAlign property to the left side of the bounding rectangle of the given text, in CSS pixels.


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

text.actualBoundingBoxLeft; // 0;


HTML Living Standard
The definition of 'TextMetrics.actualBoundingBoxLeft' in that specification.

Browser compatibility

BCD tables only load in the browser

See also