How JavaScript Code is executed? ❤️ & Call Stack

Question 1

What happens after a javascript code is run?

Answer 1

A Global Execution Context is created.

Question 2

How is the Global execution context is created?

Answer 2

In two Phases.

Question 3

What are the phases of the Global Execution Context?

Answer 3

1. Memory Creation Phase

2. Code Execution Phase

Question 4

What is the Memory Creation phase?

Answer 4

Javascript will allocate memory to all the variables and functions.

Question 5

In the Memory Allocation phase, what is the content of the variables?

Answer 5

undefined

Question 6

In the Memory Allocation phase, what is the content of the functions?

Answer 6

The code block

Question 7

In what phase does javascript execute calculations?

Answer 7

In the Code Execution Phase

Question 8

In the Code Execution phase, what is the content of the variables?

Answer 8

The values given.

Question 9

What happens when a function is invoked?

Answer 9

A new Execution Context is created.

Question 10

What does the Global Execution Context use to manage the executions?

Answer 10

The Call Stack

Question 11

What does the Call Stack manage?

Answer 11

The Execution Contexts.