Work on 4-stretch-explore

Author: Vitalii-code

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

@@ -11,8 +11,12 @@ In the Chrome console,
 invoke the function `alert` with an input string of `"Hello world!"`;
 
 What effect does calling the `alert` function have?
+this shows a dialogue window with "Hello world!"
 
 Now try invoking the function `prompt` with a string input of `"What is your name?"` - store the return value of your call to `prompt` in an variable called `myName`.
 
 What effect does calling the `prompt` function have?
 What is the return value of `prompt`?
+
+this shows a dialogue window with an input field so you can input data
+the return value of prompt is whatever user put into the dialogue

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

@@ -5,12 +5,16 @@ In this activity, we'll explore some additional concepts that you'll encounter i
 Open the Chrome devtools Console, type in `console.log` and then hit enter
 
 What output do you get?
+I get function log()
 
 Now enter just `console` in the Console, what output do you get back?
+I get Console { assert: assert(), clear: clear(), count: count(), countReset: countReset...
 
 Try also entering `typeof console`
 
 Answer the following questions:
 
 What does `console` store?
+console is a class that store a lot of functions related to console output and input
 What does the syntax `console.log` or `console.assert` mean? In particular, what does the `.` mean?
+this means to access the function log from the class console