如何检查字体是否有符号 [英] How to check if the font has a symbol

问题描述

我的文档中有以下CSS规则

I have the following css rule in my document

font-family: "Trebuchet MS", Tahoma;

但我发现某些浏览器的Trebuchet MS字体

没有符号I

在这种情况下，浏览器显示正方形而不是符号。

but I found out that some browsers have Trebuchet MS font
without symbols I need (some language with non-latin characters).
And in this case browser shows squares instead of symbols.

如何检查（

（即，如何检查访客浏览器中安装的

字体中是否缺少某些符号）

How can I check it (probably via javascript)?
(i.e. how can I check if some symbols are missing in the
font installed in my visitor's browser)

推荐答案

据我所知，您不能检查单个符号，但是可以检查编码。

As far as I know, you can't check individual symbols, but you can check the encoding.

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