Re: [dom] Is it recommended to use Node.getFeature() or Node.isSupported()?

On Aug 21, 2013, at 5:35 PM, "Tab Atkins Jr." <jackalmage@gmail.com> wrote:

> On Wed, Aug 21, 2013 at 5:03 PM, James Craig <jcraig@apple.com> wrote:
> 
>> Remaining in the spec (presumably still intended to work) but without much detail listed are Node.isSupported [2] and Node.getFeature [3]. Given that these methods are so similar to the functionality of DOMImplementation.hasFeature(), is it okay to rely on these?
> 
> No, use of these functions should be strongly discouraged.
> 
> Assuming you follow best practice of providing on* properties on the
> event sources, that's an easy way to detect event types.


Just to be clear, is this what you're recommending?

if (typeof document.body.ondismissrequest !== "undefined") {
	// okay to use dismissrequest
}