From 649d1c3ae0ba7ae263a3062d977b99d811a016fc Mon Sep 17 00:00:00 2001
From: Ivan Babak <babak.john@gmail.com>
Date: Mon, 11 Dec 2017 18:29:37 -0800
Subject: [PATCH] Capitalize first letter: safe against empty string

`""[0]` -> `undefined`
`"".slice(0, 1)` -> `""`
---
 snippets/capitalize-first-letter.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/snippets/capitalize-first-letter.md b/snippets/capitalize-first-letter.md
index 56e42eab5..84447ee21 100644
--- a/snippets/capitalize-first-letter.md
+++ b/snippets/capitalize-first-letter.md
@@ -3,5 +3,5 @@
 Use `toUpperCase()` to capitalize first letter, `slice(1)` to get the rest of the string.
 
 ```js
-var capitalize = str => str[0].toUpperCase() + str.slice(1);
+var capitalize = str => str.slice(0, 1).toUpperCase() + str.slice(1);
 ```