Travis build: 1719

This commit is contained in:
30secondsofcode
2020-01-22 08:54:15 +00:00
parent 4e37135d2c
commit 6f2e8fd49c
13 changed files with 137 additions and 137 deletions

View File

@ -11,14 +11,15 @@ Omit the second argument, `separator`, to use a default separator of `','`.
Omit the third argument, `end`, to use the same value as `separator` by default.
```js
const join = (arr, separator = ',', end = separator) =>
arr.reduce(
(acc, val, i) =>
i === arr.length - 2
? acc + val + end
: i === arr.length - 1
? acc + val
: acc + val + separator,
? acc + val
: acc + val + separator,
''
);
```