assets/javascripts/materialize/pushpin.js in materialize-sass-1.0.0.rc1 vs assets/javascripts/materialize/pushpin.js in materialize-sass-1.0.0.rc2

@@ -83,11 +83,10 @@
       value: function _updatePosition() {
         var scrolled = M.getDocumentScrollTop() + this.options.offset;
 
         if (this.options.top <= scrolled && this.options.bottom >= scrolled && !this.el.classList.contains('pinned')) {
           this._removePinClasses();
-
           this.el.style.top = this.options.offset + 'px';
           this.el.classList.add('pinned');
 
           // onPositionChange callback
           if (typeof this.options.onPositionChange === 'function') {
@@ -120,10 +119,13 @@
         }
       }
     }, {
       key: '_removePinClasses',
       value: function _removePinClasses() {
-        this.el.classList.remove('pin-top', 'pinned', 'pin-bottom');
+        // IE 11 bug (can't remove multiple classes in one line)
+        this.el.classList.remove('pin-top');
+        this.el.classList.remove('pinned');
+        this.el.classList.remove('pin-bottom');
       }
     }], [{
       key: 'init',
       value: function init(els, options) {
         return _get(Pushpin.__proto__ || Object.getPrototypeOf(Pushpin), 'init', this).call(this, this, els, options);