From 193f5fb90f5658b200529f8932bfb8d93feb81e5 Mon Sep 17 00:00:00 2001 From: atomiks Date: Mon, 1 Jan 2018 21:54:31 +1100 Subject: [PATCH] Update join.md --- snippets/join.md | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/snippets/join.md b/snippets/join.md index b5a847dc9..de2c45b2c 100644 --- a/snippets/join.md +++ b/snippets/join.md @@ -3,11 +3,15 @@ Is like `Array.join()` but with an additional argument of `end`(is equal to `separator` by default) which is used to separate the second to last and last items in the array. Returns `""` when the array is empty and the first item when the length of array is 1. ```js -const join = (arr = [],separator = ',',end = separator ) => { - return arr.reduce((acc,val,i) => { - return i == arr.length - 2 ? acc + val + end : i == arr.length - 1 ? acc + val : acc + val + separator - },'') - } +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, + '' + ); + ``` ```js