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Update palindrome.md

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Angelos Chalaris
2018-10-15 08:06:52 +03:00
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@ -2,8 +2,8 @@
Returns `true` if the given string is a palindrome, `false` otherwise.
Convert the string `String.toLowerCase()` and use `String.prototype.replace()` to remove non-alphanumeric characters from it.
Then, use the spread operator (`...`) to split the string into individual characters, `Array.prototype.reverse()`, `String.prototype.join('')` and compare it to the original, unreversed string, after converting it `String.toLowerCase()`.
Convert the string `String.prototype.toLowerCase()` and use `String.prototype.replace()` to remove non-alphanumeric characters from it.
Then, use the spread operator (`...`) to split the string into individual characters, `Array.prototype.reverse()`, `String.prototype.join('')` and compare it to the original, unreversed string, after converting it `String.prototype.toLowerCase()`.
```js
const palindrome = str => {