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Oct 12, 2017
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Add missing commas #146

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987c3c9
Put comma after If possible
fatosmorina Oct 12, 2017
813bd9d
Add missing commas
fatosmorina Oct 12, 2017
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2 changes: 1 addition & 1 deletion README.md
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Expand Up @@ -49,7 +49,7 @@ This repo contains the source code and documentation powering [reactjs.org](http
1. `git push my-fork-name the-name-of-my-branch`
1. Go to the [reactjs.org repo](https://github.com/reactjs/reactjs.org) and you should see recently pushed branches.
1. Follow GitHub's instructions.
1. If possible include screenshots of visual changes. A Netlify build will also be automatically created once you make your PR so other people can see your change.
1. If possible, include screenshots of visual changes. A Netlify build will also be automatically created once you make your PR so other people can see your change.

## Troubleshooting

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4 changes: 2 additions & 2 deletions content/tutorial/tutorial.md
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Expand Up @@ -26,7 +26,7 @@ Once you get a little familiar with the game, feel free to close that tab, as we

### Prerequisites

We'll assume some familiarity with HTML and JavaScript but you should be able to follow along even if you haven't used them before.
We'll assume some familiarity with HTML and JavaScript, but you should be able to follow along even if you haven't used them before.

If you need a refresher on JavaScript, we recommend reading [this guide](https://developer.mozilla.org/en-US/docs/Web/JavaScript/A_re-introduction_to_JavaScript). Note that we're also using some features from ES6, a recent version of JavaScript. In this tutorial, we're using [arrow functions](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions), [classes](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes), [`let`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/let), and [`const`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/const) statements. You can use <a href="http://babeljs.io/repl/#?babili=false&evaluate=true&lineWrap=false&presets=es2015%2Creact&experimental=false&loose=false&spec=false&code=const%20element%20%3D%20%3Ch1%3EHello%2C%20world!%3C%2Fh1%3E%3B%0Aconst%20container%20%3D%20document.getElementById('root')%3B%0AReactDOM.render(element%2C%20container)%3B%0A">Babel REPL</a> to check what ES6 code compiles to.

Expand Down Expand Up @@ -494,7 +494,7 @@ Determining how an immutable object has changed is considerably easier. If the o

#### Determining When to Re-render in React

The biggest benefit of immutability in React comes when you build simple _pure components_. Since immutable data can more easily determine if changes have been made it also helps to determine when a component requires being re-rendered.
The biggest benefit of immutability in React comes when you build simple _pure components_. Since immutable data can more easily determine if changes have been made, it also helps to determine when a component requires being re-rendered.

To learn more about `shouldComponentUpdate()` and how you can build *pure components* take a look at [Optimizing Performance](/docs/optimizing-performance.html#examples).

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