inline push() in toByteArray()

lib/b64.js

@@ -49,24 +49,20 @@ function toByteArray (b64) {
 
   var L = 0
 
-  function push (v) {
-    arr[L++] = v
-  }
-
   for (i = 0, j = 0; i < l; i += 4, j += 3) {
     tmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3))
-    push((tmp & 0xFF0000) >> 16)
-    push((tmp & 0xFF00) >> 8)
-    push(tmp & 0xFF)
+    arr[L++] = (tmp & 0xFF0000) >> 16
+    arr[L++] = (tmp & 0xFF00) >> 8
+    arr[L++] = tmp & 0xFF
   }
 
   if (placeHolders === 2) {
     tmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4)
-    push(tmp & 0xFF)
+    arr[L++] = tmp & 0xFF
   } else if (placeHolders === 1) {
     tmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2)
-    push((tmp >> 8) & 0xFF)
-    push(tmp & 0xFF)
+    arr[L++] = (tmp >> 8) & 0xFF
+    arr[L++] = tmp & 0xFF
   }
 
   return arr