replace str.charAt() with str[]

9 years ago · ba71e7de64
1 changed files with 1 additions and 1 deletions
--- a/lib/b64.js
+++ b/lib/b64.js
@ -37,7 +37,7 @@ function toByteArray (b64) {
  // represent one byte
  // if there is only one, then the three characters before it represent 2 bytes
  // this is just a cheap hack to not do indexOf twice
-  placeHolders = b64.charAt(len - 2) === '=' ? 2 : b64.charAt(len - 1) === '=' ? 1 : 0
+  placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0

  // base64 is 4/3 + up to two characters of the original data
  arr = new Arr(len * 3 / 4 - placeHolders)