Answered and reflected in chrome.md and object.md

Author: debug2604

Sprint-2/4-stretch-explore/chrome.md

@@ -1,15 +1,18 @@
-Open a new window in Chrome, right click an empty space on the page, select **Inspect** from the dropdown, then locate the **Console** tab.
-
-Voila! You now have access to the [Chrome V8 Engine](https://www.cloudflare.com/en-gb/learning/serverless/glossary/what-is-chrome-v8/).
-Just like the Node REPL, you can input JavaScript code into the Console tab and the V8 engine will execute it.
-
-Let's try an example.
-
-In the Chrome console, invoke the function `alert` with one argument, the string `"Hello world!"`;
-
-What effect does calling the `alert` function have?
-
-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`?
+Open a new window in Chrome, right click an empty space on the page, select **Inspect** from the dropdown, then locate the **Console** tab.
+
+Voila! You now have access to the [Chrome V8 Engine](https://www.cloudflare.com/en-gb/learning/serverless/glossary/what-is-chrome-v8/).
+Just like the Node REPL, you can input JavaScript code into the Console tab and the V8 engine will execute it.
+
+Let's try an example.
+
+In the Chrome console, invoke the function `alert` with one argument, the string `"Hello world!"`;
+
+What effect does calling the `alert` function have?
+(The function prompts an alert when pressing enter to run)
+
+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?
+(The'prompt'function opens a caveat dialog box, allows user to key in response. )
+What is the return value of `prompt`?
+(prompt(myName) will return value entered by user)

Sprint-2/4-stretch-explore/objects.md

@@ -1,16 +1,22 @@
-## Objects
-
-In this activity, we'll explore some additional concepts that you'll encounter in more depth later on in the course.
-
-Open the Chrome devtools Console, type in `console.log` and then hit enter
-
-What output do you get?
-
-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?
-What does the syntax `console.log` or `console.assert` mean? In particular, what does the `.` mean?
+## Objects
+
+In this activity, we'll explore some additional concepts that you'll encounter in more depth later on in the course.
+
+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?
+(console {debug: ƒ, error: ƒ, info: ƒ, log: ƒ, warn: ƒ, …})
+
+Try also entering `typeof console`
+('object')
+Answer the following questions:
+
+What does `console` store?
+(`console` stores an object. Note for question: where is this object source from?)
+What does the syntax `console.log` or `console.assert` mean? In particular, what does the `.` mean?
+(`log` is a method to print object belongs to console. The `.` access that object stored in `console`)
+(`assert`checks if a condition is true.)