[whatwg] [WhatWG] Some additional API is needed for sites to see whether registerProtocolHandler() call was successful - Dave's Blog

[whatwg] [WhatWG] Some additional API is needed for sites to see whether registerProtocolHandler() call was successful

2009 Apr 7, 12:14This makes plenty of sense, that a site should be able to check if a protocol handler exists for some URI scheme, but it'd be nice if this were some sort of declaritive fallback plan rather than having to do it all with script. "The HTML5 standard function registerProtocolHandler() should probably remain void as in standard, but WhatWG could invent yet another boolean protocolRegistered("area"), with the only argument (protocol name as string), to check whether a protocol is registered."html5 registerProtocolHandler html script url uri scheme protocol