diff --git a/lib/web/legacy-build.min.js b/lib/web/legacy-build.min.js
index f206f37421fb..133b7948f873 100644
--- a/lib/web/legacy-build.min.js
+++ b/lib/web/legacy-build.min.js
@@ -1,5 +1,5 @@
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O=N.getOffsetParent();if(O&&O.getStyle("position")==="fixed"){l(O)}N.setStyle({position:"relative"});var Q=P(N);N.setStyle({position:M});return Q})}else{if(Prototype.Browser.Webkit){J=function(N){N=$(N);var M=0,O=0;do{M+=N.offsetTop||0;O+=N.offsetLeft||0;if(N.offsetParent==document.body){if(Element.getStyle(N,"position")=="absolute"){break}}N=N.offsetParent}while(N);return new Element.Offset(O,M)}}}Element.addMethods({getLayout:G,measure:f,getWidth:e,getHeight:w,getDimensions:z,getOffsetParent:v,cumulativeOffset:J,positionedOffset:D,cumulativeScrollOffset:d,viewportOffset:H,absolutize:E,relativize:r,scrollTo:b,makePositioned:C,undoPositioned:A,makeClipping:g,undoClipping:K,clonePosition:L});function u(M){return M.nodeName.toUpperCase()==="BODY"}function t(M){return M.nodeName.toUpperCase()==="HTML"}function n(M){return M.nodeType===Node.DOCUMENT_NODE}function h(M){return M!==document.body&&!Element.descendantOf(M,document.body)}if("getBoundingClientRect" in document.documentElement){Element.addMethods({viewportOffset:function(M){M=$(M);if(h(M)){return new Element.Offset(0,0)}var N=M.getBoundingClientRect(),O=document.documentElement;return new Element.Offset(N.left-O.clientLeft,N.top-O.clientTop)}})}})();(function(){var e=Prototype.Browser.Opera&&(window.parseFloat(window.opera.version())<9.5);var h=null;function d(){if(h){return h}h=e?document.body:document.documentElement;return h}function f(){return{width:this.getWidth(),height:this.getHeight()}}function b(){return d().clientWidth}function l(){return d().clientHeight}function g(){var n=window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft;var o=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop;return new Element.Offset(n,o)}document.viewport={getDimensions:f,getWidth:b,getHeight:l,getScrollOffsets:g}})();window.$$=function(){var b=$A(arguments).join(", ");return Prototype.Selector.select(b,document)};Prototype.Selector=(function(){function b(){throw new Error('Method "Prototype.Selector.select" must be defined.')}function e(){throw new Error('Method "Prototype.Selector.match" must be defined.')}function f(q,r,n){n=n||0;var l=Prototype.Selector.match,p=q.length,h=0,o;for(o=0;o<p;o++){if(l(q[o],r)&&n==h++){return Element.extend(q[o])}}}function g(n){for(var h=0,l=n.length;h<l;h++){Element.extend(n[h])}return n}var d=Prototype.K;return{select:b,match:e,find:f,extendElements:(Element.extend===d)?d:g,extendElement:Element.extend}})();Prototype._original_property=window.Sizzle;(function(){function b(d){Prototype._actual_sizzle=d()}b.amd=true;if(typeof define!=="undefined"&&define.amd){Prototype._original_define=define;Prototype._actual_sizzle=null;window.define=b}})();
 /*!
  * Sizzle CSS Selector Engine v1.10.18
  * http://sizzlejs.com/
diff --git a/lib/web/prototype/prototype.js b/lib/web/prototype/prototype.js
index ba6ab66a1efb..66b29520d54b 100644
--- a/lib/web/prototype/prototype.js
+++ b/lib/web/prototype/prototype.js
@@ -1128,7 +1128,7 @@ function $w(string) {
   return string ? string.split(/\s+/) : [];
 }

-Array.from = $A;
+Array.from = Array.from || $A;


 (function () {
@@ -2205,7 +2205,7 @@ Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {

   function remove(element) {
     element = $(element);
-    element.parentNode.removeChild(element);
+    element.parentNode && element.parentNode.removeChild(element);
     return element;
   }