Another update from ingydotnet^djgoku

Task/Pangram-checker/JavaScript/pangram-checker-2.js

@@ -0,0 +1,36 @@
+var _ = require("underscore");
+
+// Curried mixin function
+// Utility Methods
+_.mixin({
+  checkAToZ: function(s) {
+    return function(letter) {
+      if (s.indexOf(letter) != -1) { return true};
+    }
+  }
+});
+
+_.mixin({
+  toLower: function(str) {
+      return str.toLowerCase();
+  }
+});
+
+_.mixin({
+  isPangram: function(lstr) {
+    var letters = "zqxjkvbpygfwmucldrhsnioate".split('');
+    return _.every(letters, _.checkAToZ(lstr));
+  }
+});
+
+
+var panGramStr = "The quick brown fox jumps over the lazy dog";
+var IsPanGram = function(panGramStr) {
+    return _.chain(panGramStr).toLower().isPangram().value();
+};
+
+console.log("Result IsPanGram - \"", panGramStr,"\" - " , IsPanGram.call(this,panGramStr));
+console.log("Result IsPanGram - \"", "the World","\" - ", IsPanGram.call(this, "the World"));
+
+// Result IsPanGram - " The quick brown fox jumps over the lazy dog " -  true
+// Result IsPanGram - " the World " -  false