Event Groups

The DOM Level 3 specification has a section ( that talks briefly about “groups” of event listeners. What does this mean? Is this similar to attaching event listeners with a namespace, as in jQuery: “event.my_namespace”?

That was the 2003 working draft, which no longer applies.

Here’s the 2010 working draft of DOM Level 3 (still a work in progress)

It would appear that I am a moron. My apologies.