Deprecated:
This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the
兼容性表格
at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
ascent
attribute defines the maximum unaccented height of the font within the font coordinate system.
If the attribute is not specified, the effect is as if the attribute were set to the difference between the
units-per-em
value and the
vert-origin-y
value for the corresponding font.
You can use this attribute with the following SVG elements:
For
<font-face>
,
ascent
defines the maximum unaccented height of the font within the font coordinate system.
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由 MDN 贡献者