90

Question 1

What’s in the JS Engine?

Answer 1

• Call Stack
• Heap

Question 2

What is the Call Stack?

Answer 2

where our code is executed

Question 3

What is the Heap?

Answer 3

where objects are stored

Question 4

JS Runtime?

Answer 4

refers to where your JS code is executed when you run it

Question 5

JS Runtime in the Browser: What’s in it?

Answer 5

• JS Engine: Heap and Call Stack
• Web APIs: DOM, Timers, Fetch API, …
• Callback Queue