rename top and left variables

Author: archmoj

src/components/fx/hover.js

@@ -735,8 +735,8 @@ function _hover(gd, evt, subplot, noHoverEvent) {
     // Top/left hover offsets relative to graph div. As long as hover content is
     // a sibling of the graph div, it will be positioned correctly relative to
     // the offset parent, whatever that may be.
-    var hot = gd.offsetTop + gd.clientTop;
-    var hol = gd.offsetLeft + gd.clientLeft;
+    var gTop = gd.offsetTop + gd.clientTop;
+    var gLeft = gd.offsetLeft + gd.clientLeft;
 
     // pull out just the data that's useful to
     // other people and send it to the event
@@ -753,13 +753,12 @@ function _hover(gd, evt, subplot, noHoverEvent) {
         }
 
         var bbox = {};
+        if('x0' in pt) bbox.x0 = pt.x0 + pt.xa._offset + gLeft;
+        if('x1' in pt) bbox.x1 = pt.x1 + pt.xa._offset + gLeft;
+        if('y0' in pt) bbox.y0 = pt.y0 + pt.ya._offset + gTop;
+        if('y1' in pt) bbox.y1 = pt.y1 + pt.ya._offset + gTop;
         eventData.bbox = bbox;
 
-        if('x0' in pt) bbox.x0 = hol + pt.x0 + pt.xa._offset;
-        if('x1' in pt) bbox.x1 = hol + pt.x1 + pt.xa._offset;
-        if('y0' in pt) bbox.y0 = hot + pt.y0 + pt.ya._offset;
-        if('y1' in pt) bbox.y1 = hot + pt.y1 + pt.ya._offset;
-
         pt.eventData = [eventData];
         newhoverdata.push(eventData);
     }