study and comment out sprint-1/4-mandatory-explore/objects.md

Author: PandiSimatupang

Sprint-1/4-stretch-explore/objects.md

@@ -3,14 +3,17 @@
 In this activity, we'll explore some additional concepts that you'll encounter in more depth later on in the course.
 
 Open the Chrome devtools Console, type in `console.log` and then hit enter
+ans: done!
 
 What output do you get?
-
+ans: undefined
 Now enter just `console` in the Console, what output do you get back?
-
+ans: a list of available methods for console.
 Try also entering `typeof console`
-
+ans: done!
 Answer the following questions:
-
+ans: object
 What does `console` store?
 What does the syntax `console.log` or `console.assert` mean? In particular, what does the `.` mean?
+ans: console.log() will print given parameter in it,
+console.assert(<expression>, <comments>) only print out the given comment if expression inside it is fault or false