From 6ac6e5a5ed09cf20fa552b02f60bbc8f7f6bd0a6 Mon Sep 17 00:00:00 2001 From: Rohit Tanwar <31792358+kriadmin@users.noreply.github.com> Date: Mon, 1 Jan 2018 16:23:31 +0530 Subject: [PATCH] Update join.md --- snippets/join.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/snippets/join.md b/snippets/join.md index f951070e5..b5a847dc9 100644 --- a/snippets/join.md +++ b/snippets/join.md @@ -3,7 +3,7 @@ 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 ) => { +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 },'')