replaced deprecated size() with .length (fixes #162)

Author: fieg

src/extension/history.js

@@ -92,7 +92,7 @@ var IASHistoryExtension = function (options) {
 
     // if the don't have a first element, the DOM might not have been loaded,
     // or the selector is invalid
-    if (0 === $firstElement.size()) {
+    if (0 === $firstElement.length) {
       return -1;
     }
 

src/extension/spinner.js

@@ -53,7 +53,7 @@ var IASSpinnerExtension = function(options) {
   this.getSpinner = function() {
     var $spinner = jQuery('#ias_spinner_' + this.uid);
 
-    if ($spinner.size() > 0) {
+    if ($spinner.length > 0) {
       return $spinner;
     }
 
@@ -66,7 +66,7 @@ var IASSpinnerExtension = function(options) {
   this.hasSpinner = function() {
     var $spinner = jQuery('#ias_spinner_' + this.uid);
 
-    return ($spinner.size() > 0);
+    return ($spinner.length > 0);
   };
 
   /**

src/jquery-ias.js

@@ -118,7 +118,7 @@
 
       // if the don't have a last element, the DOM might not have been loaded,
       // or the selector is invalid
-      if (0 === $lastElement.size()) {
+      if (0 === $lastElement.length) {
         return UNDETERMINED_SCROLLOFFSET;
       }