Update 15_day_classes.md

In line 558 added 'ParentClassName' to the sentence class ChildClassName extends ParentClassName.
3 years ago · dce147be4a
parent a63597bc65
commit dce147be4a
1 changed files with 1 additions and 1 deletions
--- a/15_Day_Classes/15_day_classes.md
+++ b/15_Day_Classes/15_day_classes.md
@ -555,7 +555,7 @@ Using inheritance we can access all the properties and the methods of the parent
 ```js
 // syntax
-class ChildClassName extends {
+class ChildClassName extends ParentClassName {
 // code goes here
 }
 ```