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Changes variable declarations in code examples (#2345)

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Converts a few `let` declarations for constant values to `const` in code examples
This commit is contained in:
Anthony Valera
2020-01-02 14:53:52 -08:00
committed by Alexey Pyltsyn
parent 6788666b0d
commit fc0e690b4e
1 changed files with 3 additions and 3 deletions
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6
content/docs/hooks-faq.md
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@@ -428,8 +428,8 @@ Here, we store the previous value of the `row` prop in a state variable so that
```js
function ScrollView({row}) {
let [isScrollingDown, setIsScrollingDown] = useState(false);
let [prevRow, setPrevRow] = useState(null);
const [isScrollingDown, setIsScrollingDown] = useState(false);
const [prevRow, setPrevRow] = useState(null);
if (row !== prevRow) {
// Row changed since last render. Update isScrollingDown.
@@ -718,7 +718,7 @@ As a last resort, if you want something like `this` in a class, you can [use a r
```js{2-6,10-11,16}
function Example(props) {
// Keep latest props in a ref.
let latestProps = useRef(props);
const latestProps = useRef(props);
useEffect(() => {
latestProps.current = props;
});