fixes #1599

2-ui/1-document/11-coordinates/3-position-at-absolute/solution.view/index.html

@@ -28,8 +28,8 @@
       let box = elem.getBoundingClientRect();
 
       return {
-        top: box.top + pageYOffset,
-        left: box.left + pageXOffset
+        top: box.top + window.pageYOffset,
+        left: box.left + window.pageXOffset
       };
     }
 

2-ui/1-document/11-coordinates/4-position-inside-absolute/solution.view/index.html

@@ -26,8 +26,8 @@
       let box = elem.getBoundingClientRect();
 
       return {
-        top: box.top + pageYOffset,
-        left: box.left + pageXOffset
+        top: box.top + window.pageYOffset,
+        left: box.left + window.pageXOffset
       };
     }
 

2-ui/1-document/11-coordinates/article.md

@@ -215,8 +215,8 @@ function getCoords(elem) {
   let box = elem.getBoundingClientRect();
 
   return {
-    top: box.top + pageYOffset,
-    left: box.left + pageXOffset
+    top: box.top + window.pageYOffset,
+    left: box.left + window.pageXOffset
   };
 }
 ```

2-ui/3-event-details/4-mouse-drag-and-drop/2-drag-heroes/solution.view/soccer.js

@@ -7,7 +7,7 @@ document.addEventListener('mousedown', function(event) {
   if (!dragElement) return;
 
   event.preventDefault();
-  
+
   dragElement.ondragstart = function() {
       return false;
   };
@@ -19,7 +19,7 @@ document.addEventListener('mousedown', function(event) {
   function onMouseUp(event) {
     finishDrag();
   };
-  
+
   function onMouseMove(event) {
     moveAt(event.clientX, event.clientY);
   }
@@ -31,9 +31,9 @@ document.addEventListener('mousedown', function(event) {
     if(isDragging) {
       return;
     }
-    
+
     isDragging = true;
-    
+
     document.addEventListener('mousemove', onMouseMove);
     element.addEventListener('mouseup', onMouseUp);
 
@@ -50,10 +50,10 @@ document.addEventListener('mousedown', function(event) {
     if(!isDragging) {
       return;
     }
-    
+
     isDragging = false;
 
-    dragElement.style.top = parseInt(dragElement.style.top) + pageYOffset + 'px';
+    dragElement.style.top = parseInt(dragElement.style.top) + window.pageYOffset + 'px';
     dragElement.style.position = 'absolute';
 
     document.removeEventListener('mousemove', onMouseMove);
@@ -113,4 +113,4 @@ document.addEventListener('mousedown', function(event) {
     dragElement.style.top = newY + 'px';
   }
 
-});
+});

2-ui/3-event-details/8-onscroll/article.md

@@ -10,7 +10,7 @@ Here's a small function to show the current scroll:
 
 ```js autorun
 window.addEventListener('scroll', function() {
-  document.getElementById('showScroll').innerHTML = pageYOffset + 'px';
+  document.getElementById('showScroll').innerHTML = window.pageYOffset + 'px';
 });
 ```