Javascript

Question 1

Explain the relationship between HTML, CSS, and Javascript

Answer 1

HTML defines the elements of the page, CSS styles those elements, and JS describes the behavior of those elements.

Note: wherever you go, you will need to know Javascript. It describes every interaction on most modern Web pages

Question 2

Javascript is an ____ language

Answer 2

Interpreted. It is evaluated line by line at run time

Question 3

There must be an ___ that can evaluate the code you write

Answer 3

Interpreter

Question 4

Javascript runs your code in what manner?

Answer 4

2-step, parses and rearranges line by line, then actually runs it line by line. VERY IMPORTANT TO UNDERSTAND

Question 5

Javascript uses an event-driven programming style

Answer 5

Listens for a an EVENT while doing other things and executes remembered instructions

Question 6

What is software

Answer 6

Software is a sequence of instructions that we build and provide to a computer, when then ‘mindlessly’ runs those instructions.

Question 7

Difference between interpreted and compiled languages?

Answer 7

Compiled languages do some or all of this translation ahead of time, while interpreted do on the fly, immediately before a computer needs it

Question 8

Whats a good way to think of booleans?

Answer 8

In programming, like a traditional light switch or perhaps a yes/no question on a test

Question 9

Difference between = and ==?

Answer 9

= sets things, and == tests things

Question 10

What is ?

Answer 10

The canvas element is perfect for making games in HTML. Offers all the functionality you need for making games

Question 11

What is getContext(‘2d’)

Answer 11

The canvas element has a built-in object, called the getContext(‘2d’) with methods and properties for drawing.