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update faq on perf with function props (#1994)

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Alex Krolick
2019-05-13 22:46:23 -07:00
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commit c8703314dd
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content/docs/faq-functions.md
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@@ -83,7 +83,7 @@ class Foo extends Component {
>**Note:**
>
>Using an arrow function in render creates a new function each time the component renders, which may have performance implications (see below).
>Using an arrow function in render creates a new function each time the component renders, which may break optimizations based on strict identity comparison.
### Is it OK to use arrow functions in render methods? {#is-it-ok-to-use-arrow-functions-in-render-methods}