Answered both questions.

Clarify the effects and return values of alert and prompt functions.

Author: khaliun-dev

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

@@ -12,7 +12,16 @@ invoke the function `alert` with an input string of `"Hello world!"`;
 
 What effect does calling the `alert` function have?
 
+1. This function displays a pop-up box with Hello world written on it, with on OK button.  
+
 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?
+
+2. It displays a pop-up box with What's your name written on it and an empty dialog box inside, awaiting my input.
+Also, there are two options of OK and Cancel. 
+
 What is the return value of `prompt`?
+
+3. If I enter my name undefined appears, same if i press the cancel button. Fixed this by adding myName at the end.
+Now the value when i enter my name shows "my name", if i press cancel it shows "null".