el.setAttribute(name, value) not resulting in a browser visual change/update when triggered from console

[Meai1]

Browsers showing this behavior:
Chrome 58
Firefox 54.0a2

Expected behavior:
The input textfield should show the correct updated value just like the red box will update to the new value at all times.

Actual behavior:

Red box resizes correctly but input textfield does not show the new value.

Steps to reproduce:

*Disclaimer: * I don't know why these steps are needed to reproduce it, but this is the only way you can reproduce. I tried other ways via browser events and they wouldn't reproduce it. So you have to do it exactly like this. I provided a fiddle so it's easier to reproduce for you.

1. Open http://jsfiddle.net/stvmyrwL/
2. Type any number into the textfield
3. Now open the developer console, in jsfiddle you need to be in the right context so change it like this:

Now enter this in the developer console: observableUser2.age = 95

4. As you can see, the red box rerenders with the correct value. But the input field (despite displaying the correct value when you query for it as a next possible step,) does not show it visually in the browser.

Fix:

Change line incremental-dom.js:923 from el.setAttribute(name, value); to el[name] = value;

[jridgewell]

Dupe of #239. We're moving to a system that allows you to tell iDOM how to patch attributes (as either an attribute or property) in #332.