- From: Michael A. Peters <mpeters@domblogger.net>
- Date: Fri, 13 Oct 2017 23:35:01 -0700
- To: "w3c-wai-ig@w3.org" <w3c-wai-ig@w3.org>
My apologies, wrong list On 10/13/2017 11:34 PM, Michael A. Peters wrote: > There does not seem to be a JavaScript API for closing open tags. > > This is problematic when dealing with WebVTT which does not require tags > be closed. > > Where it is the biggest problem is when the document is being served as > XML+XHTML > > I tried the following hack which seemed to be working: > > cleandoc = document.implementation.createHTMLDocument("FuBar"); > cleanbody = document.createElementNS("http://www.w3.org/1999/xhtml", > "body"); > cleandoc.documentElement.appendChild(cleanbody); > > > Then I could do the following when with a WebVTT cue: > > cleanbody.innerHTML = string; > return (cleanbody.innerHTML); > > That *mostly* works but seems to sometimes fail when string contains > entities, such as   > > What happens is it returns an empty string. > > Given that WebVTT is part of HTML5 and browser native html5 audio > players don't support caption tracks forcing us to write our own > implementations if we want captions with audio, it sure would be nice if > there was a pure JavaScript way to just add closing tags to a string > because there is never a guarantee valid WebVTT cue has closed tags > which are required for XHTML sent as XML. > > Seems to me that a JS native function to add missing closing tags would > have more application than just WebVTT cues. > > I looked for a jQuery filter that does it, but could not find one. > > It also could be of benefit in emulating document.write() as many of > Google's tools *still* require document.write() despite the issues with > document.write() and XML having been known for 15+ years now. > > Any chance of getting a parser into JavaScript that at least would be > capable of closing open tags in a string passed to it?
Received on Saturday, 14 October 2017 06:35:26 UTC