Go on. Explore!

lvl 0 • 0 xp

lvl 1

Home Market Decks Interests

2016 KHAN ACADEMY JavaScript

memorize.ai (lvl 286)

(0)

27 cards

()

Section 1

Preview this deck

var xPos = 10;

Front

1 / 27

JavaScript Web Dev

0.0

0 reviews

5			0
4			0
3			0
2			0
1			0

Active users

All-time users

Favorites

Last updated

7 years ago

Date created

Mar 1, 2020

Cards (27)

Section 1

(27 cards)

var xPos = 10;

Front

Show how you declare the variable xPos and give it value of 10.

Back

small letters

Front

Commands in jScript begin with small letters or capital letters.

Back

15

Front

After running this code: var w = 20; var h = 15; rect(10, 10, w, h); ellipse(10, 10, w, h); What will be the height of each of the two shapes?

Back

right

Front

Variable names are case sensitive, which means that "xPos" is different from "xpos", right or wrong?

Back

horizontal

Front

What direction is the x axis? horizontal or vertical?

Back

r,g,b

Front

What are the first letters of each of the 3 main colors in javaScript? Separate by commas.

Back

green

Front

Yellow was the 1st fill command, which is followed by fill command blue, and then by fill command green. If a rectangle is created immediately below those, then what color will appear in the rectangle?

Back

55

Front

var xPos = 55; rect(10, 20, 30, 40); ellipse(xPos, 20, 15, 30); ellipse(xPos, 10, 20, 30); At what x position will the ellipse(s) be?

Back

20

Front

var rectWidth = 20; rect(10, 10, rectWidth, rectWidth); How wide is the resulting rectangle?

Back

true

Front

Variable names can only contain letters, numbers, $ and _. true or false?

Back

5

Front

var x = 5; What is the value of x?

Back

yellow

Front

If one "fill" color command of the color black is given and that is followed by a "fill" color command of yellow, which is then followed by an ellipse, then what color will the ellipse be?

Back

var xPos;

Front

Show how we would declare a variable named "xPos"

Back

400

Front

How many pixels are there on a vertical line from top to bottom on the javaScript screen?

Back

xPos = 20;

Front

Initially we gave xPos a value of 10 with the following command: var xPos = 10; Later we want to change xPos to a value of 20. Show the command to change the value. Remember it ends in a ;

Back

10

Front

After running this code: var xPos = 10; var yPos = 5; rect(xPos, yPos, 10, 10); At what x position will the rectangle be?

Back

circle

Front

After running the following code, what shape will be the face be? ellipse(200, 170, 150, 150); // face oval? oblong? circle? rectangle?

Back

400

Front

How many pixels are there on a horizontal line across the javaScript screen?

Back

correct

Front

Variable names should use camel case for multiple words, like "toothSize" instead of "toothsize" or "tooth_size". correct or incorrect?

Back

yes

Front

Variable names can begin with letters, or the symbols $ or _. yes or no?

Back

;

Front

Show what punctuation mark ends commands.

Back

no

Front

Can variable names start with a number?

Back

top

Front

Where should the "background" be located? top, middle or bottom?

Back

vertical

Front

What direction is the y axis? horizontal or vertical?

Back

xPos = 10;

Front

How can we assign xPos to hold the value 10:

Back

x,y,w,h

Front

What are the 4 factors for a rectangle in JavaScript? Separate by commas.

Back

below

Front

If a "fill" color command is given, then does it fill what is above or what is below?

Back