Complete 4-stretch-explore

Author: jakr-s

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

@@ -12,7 +12,14 @@ invoke the function `alert` with an input string of `"Hello world!"`;
 
 What effect does calling the `alert` function have?
 
+It opens a dialog box in the browser displaying the message you provide.
+
 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 dialog box in the browser that asks the user to input text.
+
 What is the return value of `prompt`?
+
+It returns the text entered by the user as a string, or `null` if the user cancels the prompt.

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

@@ -6,11 +6,19 @@ Open the Chrome devtools Console, type in `console.log` and then hit enter
 
 What output do you get?
 
+`ƒ log() { [native code] }`
+
 Now enter just `console` in the Console, what output do you get back?
 
 Try also entering `typeof console`
 
 Answer the following questions:
 
 What does `console` store?
+
+Various methods and properties (e.g. `log`, `error`, `trace`)
+
 What does the syntax `console.log` or `console.assert` mean? In particular, what does the `.` mean?
+
+The `.` is dot notation used to access a property or method of an object.
+`console.log` means you are accessing the `log` method that belongs to the `console` object.