feat: keep orig array unchanged

javiercejudo · Aug 17, 2015 · f3de6f2 · f3de6f2
1 parent 13ebc8f
commit f3de6f2
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/everyAgainstFirst.js b/src/everyAgainstFirst.js
@@ -1,6 +1,7 @@
 'use strict';
 
-module.exports = function everyAgainstFirst(array, callback, thisArg) {
+module.exports = function everyAgainstFirst(origArray, callback, thisArg) {
+  var array = origArray.slice();
   var first = array.shift();
 
   return array.every(function (current, index) {