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Corrected a typo. (#8837)

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shoud -> should
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EugeneGarbuzov
2017-01-20 13:25:21 -06:00
committed by Brandon Dail
parent 71fb1e6dcb
commit 284b028b43
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docs/docs/optimizing-performance.md
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@@ -184,7 +184,7 @@ class WordAdder extends React.Component {
}
```
The problem is that `PureComponent` will do a simple comparison between the old and new values of `this.props.words`. Since this code mutates the `words` array in the `handleClick` method of `WordAdder`, the old and new values of `this.props.words` will compare as equal, even though the actual words in the array have changed. The `ListOfWords` will thus not update even though it has new words that shoud be rendered.
The problem is that `PureComponent` will do a simple comparison between the old and new values of `this.props.words`. Since this code mutates the `words` array in the `handleClick` method of `WordAdder`, the old and new values of `this.props.words` will compare as equal, even though the actual words in the array have changed. The `ListOfWords` will thus not update even though it has new words that should be rendered.
## The Power Of Not Mutating Data