Allow instantiation of swiper on every jQuery / Zepto object (it was …

…only the first element of the collection).

Instance can be used with method .data('swiper') on the jQuery / Zepto object.

demos/19-chaining.html

@@ -113,12 +113,12 @@
   <script src="js/jquery-1.10.1.min.js"></script>
   <script src="../src/idangerous.swiper.js"></script>
   <script>
-  $('.swiper-container').swiper({
+  var mySwiper = $('.swiper-container').swiper({
     pagination: '.pagination',
     loop:true,
     grabCursor: true,
     paginationClickable: true
-  }).addClass('test-chaining');
+  });
   $('.arrow-left').on('click', function(e){
     e.preventDefault()
     var swiper = $(this).siblings('.swiper-container').data('swiper');

src/idangerous.swiper.js

@@ -2809,13 +2809,16 @@ if (window.jQuery || window.Zepto) {
     (function ($) {
         'use strict';
         $.fn.swiper = function (params) {
-            return this.each(function() {
+            var firstInstance;
+            this.each(function(i) {
                 var that = $(this);
                 if (!that.data('swiper')) {
                     var s = new Swiper(that[0], params);
+                    if (!i) firstInstance = s;
                     that.data('swiper', s);
                 }
             });
+            return firstInstance;
         };
     })(window.jQuery || window.Zepto);
 }