2. Fundamentals

Question 1

What is the term for a JS program?

Answer 1

Script

Question 2

Give 2 working environments to run JS scripts

Answer 2

Browser

Node.js

Question 3

Give a browser-specific command

Answer 3

Alert

Question 4

How is JS code inserted into HTML doc?
Where should the code be inserted?
When is this best used?

Answer 4

script tag
Any part of the HTML doc
For very simple scripts only

Question 5

What sort of environment is node.js?

How do you execute a script in node js?

Answer 5

Server-side

“node my.js”

Question 6

What is the usual practice for more complex JS code?

3x

Answer 6

External script
Resides in a separate file
Attached to HTML using src attribute

Question 7

What happens if a script tag has both an src attribute and code inside?
How would you include both internal and external scripts?
2x

Answer 7

Code inside the script tag is ignored

Separate script tags

Question 8

Which two attributes are no longer required in modern JS?

2x

Answer 8

Type

Language

Question 9

In older HTML docs why would the code within script tags be commented out?

Answer 9

Older browsers (15+ years ago) did not know how to process the script tag