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Update mask.md

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Angelos Chalaris
2018-01-01 14:47:20 +02:00
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snippets/mask.md
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@ -4,7 +4,7 @@ Replaces all but the last `num` of characters with the specified mask character.
Use `String.slice()` to grab the portion of the characters that need to be masked and use `String.replace()` with a regex to replace every character with the mask character. Use `String.slice()` to grab the portion of the characters that need to be masked and use `String.replace()` with a regex to replace every character with the mask character.
Concatenate the masked characters with the remaining unmasked portion of the string. Concatenate the masked characters with the remaining unmasked portion of the string.
Omit the second argument, `num`, to keep a default of `4` characters unmasked. Omit the second argument, `num`, to keep a default of `4` characters unmasked. If `num` is negative, the unmasked characters will be at the start of the string.
Omit the third argument, `mask`, to use a default character of `'*'` for the mask. Omit the third argument, `mask`, to use a default character of `'*'` for the mask.
```js ```js