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Refactor palindrome

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Darren Scerri
2017-12-14 00:00:04 +01:00
parent 2674273efc
commit a0106a3c99
2 changed files with 8 additions and 4 deletions
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6
snippets/check-for-palindrome.md
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@ -4,7 +4,9 @@ Convert string `toLowerCase()` and use `replace()` to remove non-alphanumeric ch
Then, `split('')` into individual characters, `reverse()`, `join('')` and compare to the original, unreversed string, after converting it `tolowerCase()`.
```js
const palindrome = str =>
str.toLowerCase().replace(/[\W_]/g,'').split('').reverse().join('') === str.toLowerCase().replace(/[\W_]/g,'');
const palindrome = str => {
const s = str.toLowerCase().replace(/[\W_]/g,'');
return s === s.split('').reverse().join('');
}
// palindrome('taco cat') -> true
```