[英]css classes for html root element?
i found this code via Google Developer Tools:我通过谷歌开发者工具找到了这段代码:
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" class=" js canvas canvastext geolocation crosswindowmessaging websqldatabase no-indexeddb hashchange historymanagement draganddrop websockets rgba hsla multiplebgs backgroundsize borderimage borderradius boxshadow opacity cssanimations csscolumns cssgradients cssreflections csstransforms no-csstransforms3d csstransitions video audio localstorage sessionstorage webworkers applicationcache svg smil svgclippaths no-opera no-mozilla webkit fontface">
</html>
and this code via html source code:此代码通过 html 源代码:
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> </html>
obviously these classes get generated with Javascript.显然这些类是用 Javascript 生成的。 But Why?
但为什么? Why so many css classes for html root element?
为什么 html 根元素有这么多 css 类?
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