From discussing internally... me:
> Is this better than ReactComponent.DOMIDOperations.updateInnerHTMLByID? Based on the name it seems like we should be using that instead.

@yungsters:
> You're right, using updateInnerHTMLByID with a null argument might be more correct.
>
> This pass over the props is to remove any props that no longer exist in nextProps but did in lastProps. So using textContent worked before.
>
> > Setting this property on a node removes all of its children and replaces them with a single text node with the given value.
>
> Source: https://developer.mozilla.org/en-US/docs/Web/API/Node.textContent