4-stretch-explore done

Author: shaghayeghfar

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?
+ answer : Displays a pop-up dialog box with a message and an OK button; execution pauses until OK is clicked.
 
 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?
+Displays a pop-up dialog box with a message and a text input field; execution pauses until OK or Cancel is clicked.
+
 What is the return value of `prompt`?
+Returns the string entered by the user if OK is clicked, or null if Cancel is clicked.

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

@@ -5,12 +5,18 @@ 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?
+Answer : It shows  ƒ log() { [native code] }.
 
 Now enter just `console` in the Console, what output do you get back?
+Answer : It shows console {debug: ƒ, error: ƒ, info: ƒ, log: ƒ, warn: ƒ, …}
 
 Try also entering `typeof console`
+Answer:object
 
 Answer the following questions:
 
 What does `console` store?
+Answer:console is an object that stores methods for logging and debugging, like log, error, warn, assert, etc.
+
 What does the syntax `console.log` or `console.assert` mean? In particular, what does the `.` mean?
+Answer: The . accesses a property or method of the console object.