facebook/react — pull request #2531 by spicyj (2014-11-15 23:34:10+00:00)
Title: Don't mutate .props.style in ReactDOMComponent

We currently make a copy of .style because we support mutating the style object in place. Instead of storing it back on props, store it separately on the component instance so that we don't mutate props anywhere. This is gross but should all be cleaned up after #2001 is resolved.

Test Plan: jest