The read-only hangingBaseline property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the hanging baseline of the line box, in CSS pixels.
js
const canvas = document.createElement("canvas"); const ctx = canvas.getContext("2d"); const text = ctx.measureText("foo"); // returns TextMetrics object text.hangingBaseline; // 6.078125;
| Specification |
|---|
| HTML Standard # dom-textmetrics-hangingbaseline-dev |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
hangingBaseline |
118 | 118 | 116 | No | 104 | 11.1 | 118 | 118 | 116 | No | 11.3 | No |
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https://developer.mozilla.org/en-US/docs/Web/API/TextMetrics/hangingBaseline