Fix IE8 support

9 years ago · 036ce50e47
1 changed files with 6 additions and 2 deletions
--- a/lib/b64.js
+++ b/lib/b64.js
@ -1,11 +1,15 @@
 ;(function (exports) {
  'use strict'

+  var i
  var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
-  var lookup = Array.prototype.map.call(code, function (c) { return c })
+  var lookup = []
+  for (i = 0; i < code.length; i++) {
+    lookup[i] = code[i]
+  }
  var revLookup = []

-  for (var i = 0; i < code.length; ++i) {
+  for (i = 0; i < code.length; ++i) {
    revLookup[code.charCodeAt(i)] = i
  }
  revLookup['-'.charCodeAt(0)] = 62