Added more info about refs in the documentation#8707

Merged

gaearon merged 6 commits intofacebook:masterfrom gyfis:patch-2

Jan 10, 2017

+7-1

Commits on Jan 7, 2017

Update refs-and-the-dom.md
gyfis
authored

Commits on Jan 8, 2017

Adds more specific information about the callback
gyfis
authored

Commits on Jan 9, 2017

Moved the ref callback description to the Caveats section
gyfis
authored

Commits on Jan 10, 2017