JavaScript/CSS Font Detector › lalit.org

JavaScript code to detect available availability of a particular font in a browser using JavaScript and CSS. Update: I have updated the algo of the script and it is almost 100% accurate. This JavaScript class can be used to guess if a particular font is present in a machine. This may be help of desktop-like web application developers when they want to provide different skins or fonts preferences t

[j0hn]

あとで

[murky-satyr]

"we use m or w because these two characters take up the maximum width. And we use a L so that the same matching fonts can get separated" 文字列を工夫すればより確実に

[monjudoh]

特定のフォントがインストールされているかをフォントの幅・高さで判定

[wacky]

ローカルマシンに特定フォントがインストール済みかJavaScriptから調べる方法。フォントの幅/高さで判定。Firefox2、IE6、Opera9/10でテスト済み。

[kasuho]

フォント判別Javascript。「We then compare the width of the string with the specified font-face and width of the string with the font-face of the parent element, if they are different, then the font exists, otherwise not.」