diff --git a/online-editor.js b/online-editor.js
index 269eafd..494da2c 100644
--- a/online-editor.js
+++ b/online-editor.js
@@ -94,10 +94,9 @@ class BesEditor {
                     }
                   }
   
-                  const clientRect = BesEditor.addMistake(range, match)
                   matches.push({
                     range: range,
-                    rects: clientRect,
+                    rects: BesEditor.addMistake(range, match),
                     match: match
                   })
                 })
@@ -217,9 +216,8 @@ class BesEditor {
 
   // Tests if given element is block element.
   static isBlockElement(el) {
-    const defaultView = document.defaultView
     switch (
-      defaultView
+      document.defaultView
         .getComputedStyle(el, null)
         .getPropertyValue('display')
         .toLowerCase()