completed chrome console exercise using prompt and alert

Author: ahmadehsas

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

@@ -11,8 +11,11 @@ In the Chrome console,
 invoke the function `alert` with an input string of `"Hello world!"`;
 
 What effect does calling the `alert` function have?
+A popup appears with the message ("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?
+It opens a popup asking for the user’s name, and lets the user type something.
 What is the return value of `prompt`?
+A string that contains what the user typed (e.g. “Ahmad”).