javascript - JS : How to determine if font have glyph for character?

Question

如何判断字体是否有字符字形？

这可能吗？

var a = glyph_exist('0x00A1')
console.log(a)

true or false

Answer 1

<强> Fontkit 似乎支持此用例:

Fontkit is an advanced font engine for Node and the browser, used by PDFKit. It supports many font formats, advanced glyph substitution and layout features, glyph path extraction, color emoji glyphs, font subsetting, and more.

[...]

font.hasGlyphForCodePoint(codePoint)

Returns whether there is glyph in the font for the given unicode code point.