This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The font-size attribute refers to the size of the font from baseline to baseline when multiple lines of text are set solid in a multiline layout environment.
Note: As a presentation attribute, font-size also has a CSS property counterpart: font-size. When both are specified, the CSS property takes priority.
You can use this attribute with the following SVG elements:
<svg viewBox="0 0 200 30" xmlns="http://www.w3.org/2000/svg"> <text y="25" font-size="smaller">smaller</text> <text x="100" y="25" font-size="2em">2em</text> </svg>
| Value | <absolute-size> | <relative-size> | <length-percentage> |
|---|---|
| Default value | medium |
| Animatable | Yes |
For a description of the values, please refer to the CSS font-size property.
| Specification |
|---|
| CSS Fonts Module Level 4> # font-size-prop> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
font-size |
1 | 12 | 1 | 7 | 1 | 18 | 4 | 10.1 | 1 | 1.0 | 4.4 | 1 |
font-size property
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https://developer.mozilla.org/en-US/docs/Web/SVG/Reference/Attribute/font-size