How to use css font-size-adjust attribute

font-size-adjust attribute definition and usage

In css, the font-size-adjust attribute is used for better control Font size. When the first selected font is not available, the browser uses the second specified font, which may cause the font size to change. To prevent this from happening, you can use the font-size-adjust attribute. All fonts can have an "aspect value", which is the size difference between a lowercase letter "X" and an uppercase letter "X". When the browser knows that the "aspect value" is the first chosen font, the browser can figure out what font-size uses the second selected font to display text.

font-size-adjust attribute syntax format

css syntax: font-size-adjust: number|none|inherit

JavaScript syntax: object .style.fontSizeAdjust="0.58"

font-size-adjust attribute value description

number: Defines the aspect value ratio of the font. Formula: font size of preferred font * (font-size-adjust value / aspect value of available fonts) = font size that can be applied to available fonts

none: Default (does not persist if this font is not available The x-height of this font;)

inherit: Inherit the font sizing properties of the parent element

Example

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