fix

assets/bxSlider/jquery.bxslider.js

@@ -1,7 +1,6 @@
 /**
  * bxSlider v4.2.1d
  * Copyright 2013-2017 Steven Wanderski
- * fix https://github.com/stevenwanderski/bxslider-4/issues/1240#issuecomment-482294169
  * Written while drinking Belgian ales and listening to jazz
  * Licensed under MIT (http://opensource.org/licenses/MIT)
  */
@@ -296,7 +295,7 @@
         $(this).one('load error', function() {
           if (++count === total) { callback(); }
         }).each(function() {
-          if (this.complete || this.src == '') { $(this).trigger('load'); }
+          if (this.complete || this.naturalWidth || this.src == '') { $(this).trigger('load'); }
         });
       });
     };
@@ -1107,7 +1106,7 @@
       if (e.type !== 'touchstart' && e.button !== 0) {
         return;
       }
-
+      //e.preventDefault();
       //disable slider controls while user is interacting with slides to avoid slider freeze that happens on touch devices when a slide swipe happens immediately after interacting with slider controls
       slider.controls.el.addClass('disabled');
 
@@ -1128,9 +1127,9 @@
         slider.touch.start.x = touchPoints[0].pageX;
         slider.touch.start.y = touchPoints[0].pageY;
 
-        slider.hasPointerCapture = false;
         if (slider.viewport.get(0).setPointerCapture) {
           slider.pointerId = orig.pointerId;
+          slider.viewport.get(0).setPointerCapture(slider.pointerId);
         }
         // store original event data for click fixation
         slider.originalClickTarget = orig.originalTarget || orig.target;
@@ -1164,9 +1163,8 @@
       slider.viewport.off('MSPointerCancel pointercancel', onPointerCancel);
       slider.viewport.off('touchmove MSPointerMove pointermove', onTouchMove);
       slider.viewport.off('touchend MSPointerUp pointerup', onTouchEnd);
-      if (slider.viewport.get(0).releasePointerCapture && slider.hasPointerCapture) {
+      if (slider.viewport.get(0).releasePointerCapture) {
         slider.viewport.get(0).releasePointerCapture(slider.pointerId);
-        slider.hasPointerCapture = false;
       }
     };
 
@@ -1187,15 +1185,6 @@
       // this is swipe
       slider.hasMove = true;
 
-      var hasSwiped = false;
-      if ((xMovement > 5) || (yMovement > 5)) {
-        hasSwiped = true;
-      }
-      if (slider.viewport.get(0).setPointerCapture && !slider.hasPointerCapture && hasSwiped && (slider.pointerId === 1)) {
-        slider.viewport.get(0).setPointerCapture(slider.pointerId);
-        slider.hasPointerCapture = true;
-      }
-
       // x axis swipe
       if ((xMovement * 3) > yMovement && slider.settings.preventDefaultSwipeX) {
         e.preventDefault();
@@ -1228,6 +1217,7 @@
      *  - DOM event object
      */
     var onTouchEnd = function(e) {
+      slider.touch.axis = undefined;
       e.preventDefault();
       slider.viewport.off('touchmove MSPointerMove pointermove', onTouchMove);
       //enable slider controls as soon as user stops interacing with slides
@@ -1292,10 +1282,6 @@
           buttons: slider.originalClickButtons
         });
       }
-      if (slider.viewport.get(0).releasePointerCapture && slider.hasPointerCapture) {
-        slider.viewport.get(0).releasePointerCapture(slider.pointerId);
-        slider.hasPointerCapture = false;
-      }
     };
 
     /**