Khan Academy JavaScript

Which of these lines of JS code are syntactically correct?

• rect(100, 100, 50, 50);

• rect(100 100 50 50);

• rect[100, 100, 50, 50];

• rect(100, 100, 50, 50):

Which is the correct way to write a comment in JavaScript?

• (#...#)

• (!...!)

• {{.....}}

• //....

Which of these lines of JS code are syntactically correct?

• rect100, 100, 50, 50

• rect(100 100 50 50);

• rect(100, 100, 50, 50);

• rect(100, 100, 50, 50):

You want to draw a circle, which command is written correctly?

• //circle

• circle();

• ellipse();

• //ellipse

In the following line of code - rect(200, 150, 50, 120); What does the last number (120) stand for?

• X

• Y

• W

• H

In the following line of code - rect(200, 150, 50, 120); What does the first number (200) stand for?

• X

• Y

• W

• H

In the following line of code - rect(200, 150, 50, 120); What does the 3rd number(50) stand for?

• X

• Y

• W

• H

When adding a background color which is the correct line of code?

• bg(200, 0, 0);

• background(200, 0, 0);

• bckgr(200, 0, 0);

• backgnd(200, 0, 0);

RGB stands for what?

• REAL GOOD BASICS

• RED GREEN BLUE

• REFERENCE GOOD BACKGROUNDS

• RECTANGLE GOING BLUE

If I want to add a variable for my eyes, which would be the correct line of code.

• var eyeSize;

• variable = eyeSize!

• variable (eyeSize)

• var = eyeSize