testing - How to test the case that HTML <object> (or a similar feature) is unsupported? -
i'm writing web page has html <object> in it, like <object [...]>your browser not support this.</object> on machines have up-to-date browsers installed , don't want clutter machines old browsers (this not possible in cases without depending on third-party-software and/or doing hours of configuration tweaking). i know of pages https://www.browserstack.com/ let render websites, rather time consuming when need check loads of small changes. , don't want give data external companies simple rendering. how can check how page on old browsers? just found out. content between <object></object> tags not triggered in unsupporting browsers, when data attribute holds invalid target (like unavailable file). so, test how looks on unsupporting browsers, 1 can set data -attribute unavailable. keep in mind webdesigner has define more meaningful message "your browser not support svg", has consider object display missing (for ex...