CodeHS JavaScript - Assessment

1.

Multiple Choice

30 sec

1 pt

His name is Fred and he is less than 16 years old

if (name = "fred" && age < 16 )

if (name === "fred" && age < 16 )

if (name = "fred" || age < 16 )

if (name === "fred" || age < 16 )

2.

Multiple Choice

30 sec

1 pt

Repeat something 10 times

repeat 10

for (var i=0; i<10; i++)

repeat { } until 10;

while (i = 10)

3.

Multiple Choice

30 sec

1 pt

What is the symbol used for the INCREMENT operator in JS?

+

++

=

==

4.

Multiple Choice

30 sec

1 pt

Conditions return values of which data type?

Integer

boolean

floating-point

string

5.

Multiple Choice

30 sec

1 pt

Loops in programming start counting from ?

0

1

Any number

6.

Multiple Choice

30 sec

1 pt

What symbol represents the or operator in JavaScript?

OR

or

||

|

7.

Multiple Choice

30 sec

1 pt

Arithmetic Operators
What is ++ ?

Modulo

increment

Decrement

Addition

8.

Multiple Choice

30 sec

1 pt

Which one of the following is NOT a logical operator?

||

&&

$$

!

9.

Multiple Choice

30 sec

1 pt

Generally speaking, what functionality does JavaScript provide when used as part of the "Web development trifecta"?

Page manipulation capabilities and advanced interactivity

Content and page structure, but minimum interactivity

Formatting and page design, plus some simple interactivity

Content, page structure, and advanced interactivity

10.

Multiple Choice

30 sec

1 pt

JavaScript is a scripting language. Scripting languages:

interpret and automate a list of tasks that would otherwise be executed one-at-a-time by a person.

interpret and execute a list of tasks once the list is compiled.

need the server to interpret a script and to return the appropriate responses.

perform their functionality on the server side, which reduces processing time dramatically.

11.

Multiple Choice

30 sec

1 pt

Which of these is a loop?

if(x<10)

while(x<10)

var x=10;

text(x,10;10)

12.

Multiple Choice

30 sec

1 pt

Which command provides a random color?

Randomizer.color

Randomizer.nextColor()

RandColor;

nextColor.Randomizer()

13.

Multiple Choice

30 sec

1 pt

Which of these will increase the value of the variable X?

increment (x)

x++;

x=x;

x+1;

14.

Multiple Choice

30 sec

1 pt

Names that refer to commands, functions, variables and keyword should be written correctly, variable “A” and “a” are two different variables.

Comments

Case Sensitivity

Data Types

Statements

15.

Multiple Choice

30 sec

1 pt

Conditions return values of which data type?

Integer

boolean

floating-point

string

16.

Multiple Choice

2 mins

1 pt

A condition is __________.

any expression that evaluates to True or False

a built-in function that assigns a Boolean value to a variable

a formula that is executed for a result

an operand that indicates both conditions are True or False

17.

Multiple Choice

2 mins

1 pt

In JavaScript, which of the follow operand symbols means not equal to?

<>

= # =

!=

##

18.

Multiple Choice

30 sec

1 pt

When drawing in Javascript, the coordinates for the top left of the screen is:

0,400

0,0

400,0

400,400

19.

Multiple Choice

30 sec

1 pt

Where do the <script></script> tags go in your document

Within <img> tags

In the <p></p> tags

In the <title>

In the <head> or <body>

20.

Multiple Choice

30 sec

1 pt

Statement lets you ask a question to the program and only run code if the answer is true.

If Else Statement

Condition

If Statement

Parentheses

21.

Multiple Choice

30 sec

1 pt

Control structure that lets us do either one section of code or another depending on a test.

If Else Statement

Condition

If Statement

Parentheses

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