Khan Academy JavaScript

Front

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):

Back

rect(100, 100, 50, 50);

Front

Which is the correct way to write a comment in JavaScript? Options: (#...#), (!...!), {{.....}}, //....

Back

//....

Front

Which of these lines of JS code are syntactically correct? Options: rect100, 100, 50, 50, rect(100 100 50 50);, rect(100, 100, 50, 50);, rect(100, 100, 50, 50):

Back

rect(100, 100, 50, 50);

Front

You want to draw a circle, which command is written correctly? Options: //circle, circle();, ellipse();, //ellipse

Back

ellipse();

Front

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

Back

H

Front

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

Back

X

Front

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

Back

W

Front

When adding a background color which is the correct line of code? Options: bg(200, 0, 0);, background(200, 0, 0);, bckgr(200, 0, 0);, backgnd(200, 0, 0);

Back

background(200, 0, 0);

Front

RGB stands for what?

Back

RED GREEN BLUE

Front

If I want to add a variable for my eyes, which would be the correct line of code? Options: var eyeSize;, variable = eyeSize!; variable (eyeSize); var = eyeSize

Back

var eyeSize;