Define a policy / best practices on when using domStyle / domConstruct / etc. API or the DOM equivalent.

[pruzand]

We need to define when it makes sense to use the dojo/domStyle/domConstruct/etc API and when we should rely on the DOM/JS API.

for ex: see https://github.com/ibm-dojo/delite/pull/79/files#r9025460

[asudoh]

I think, in general, if a thing can easily be achieved by vanilla JS it would be more preferable. Most of the additional features that dojo/dom* API provide seem to be either abstracting different browsers' behavior or fixing nasty issues with DOM. We may want to create the list of such things somewhere, in Google Drive or in this GitHub issue?