joladev · December 25, 2015 06:49 · Oct 11, 2013 · Oct 11, 2013
diff --git a/notquine.js b/notquine.js
@@ -1,3 +1,17 @@
+/*
+Description:
+
+Write a function 'notQuine' which returns a string containing every ASCII character that is NOT part of the source code of the function.
+
+The outer 'function () { }' wrapper is included.
+
+A function containing all of the characters is not a valid solution.
+
+You may not modify Function.prototype.toString, notQuine.toString, String.indexOf, or String.fromCharCode.
+
+Only return characters from ASCII code 32 to 254. Order does not matter.
+*/
+
 var notQuine = function(){
   var ascii = function () {
     var result = [];

diff --git a/notquine.js b/notquine.js
@@ -0,0 +1,21 @@
+var notQuine = function(){
+  var ascii = function () {
+    var result = [];
+    for (var i = 32; i < 255; i++) {
+      result.push(i);
+    }
+    return result;
+  };
+
+  var code = notQuine
+    .toString()
+    .split("")
+    .map(function (c) {
+      return c.charCodeAt(0);
+    });
+
+  return ascii()
+    .filter(function (c) { return code.indexOf(c) === -1; })
+    .map(function (c) { return String.fromCharCode(c); })
+    .join("");
+};