2008/11/14 Maciej Stachowiak <[EMAIL PROTECTED]>: > Specifically, we expose a "filter" property on CSSStyleDeclaration, in > support of the SVG filter CSS property. However, many sites test for > "filter" to detect support for MSIE's proprietary "filter" property, which > sadly has the same name but completely incompatible syntax. Thus, we return > this kind of magical undetectable string so if tests don't detect us as IE. > It works basically the same ways as Mozilla's undetectable document.all, > which we also support.
Our undetectable document.all works by returning a different value from the property access depending on whether it's a "detecting" use, like |if (document.all)| -- we don't use a magic falsy object (which I think is a violation of E262, but I'd have to dig into the ToBoolean bits to be sure). Mike _______________________________________________ Es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
