Merge pull request #53 from drodil/fixEquals

Fix equals checks

Author: rstacruz

nprogress.js

@@ -178,37 +178,37 @@
   /**
    * Waits for all supplied jQuery promises and
    * increases the progress as the promises resolve.
-   * 
+   *
    * @param $promise jQUery Promise
    */
   (function() {
     var initial = 0, current = 0;
-    
+
     NProgress.promise = function($promise) {
-      if (!$promise || $promise.state() == "resolved") {
+      if (!$promise || $promise.state() === "resolved") {
         return this;
       }
-      
-      if (current == 0) {
+
+      if (current === 0) {
         NProgress.start();
       }
-      
+
       initial++;
       current++;
-      
+
       $promise.always(function() {
         current--;
-        if (current == 0) {
+        if (current === 0) {
             initial = 0;
             NProgress.done();
         } else {
             NProgress.set((initial - current) / initial);
         }
       });
-      
+
       return this;
     };
-    
+
   })();
 
   /**