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Jonny Burger
fbf3bc3158
## Summary
CSS has a new property called `scale` (`scale: 2` is a shorthand for
`transform: scale(2)`).
In vanilla JavaScript, we can do the following:
```js
document.querySelector('div').scale = 2;
```
which will make the `<div>` twice as big. So in JavaScript, it is
possible to pass a plain number.
However, in React, the following does not work currently:
```js
<div style={{scale: 2}}>
```
because `scale` is not in the list of unitless properties. This PR adds
`scale` to the list.
## How did you test this change?
I built `react` and `react-dom` from source and copied it into the
node_modules of my project and verified that now `<div style={{scale:
2}}>` does indeed work whereas before it did not.