JavaScript Quiz: MCQ Trivia Exam!

20 Questions | By Gnels33 | Updated: Mar 22, 2022 | Attempts: 371

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1.

Name two different ways to call a function.
- A.
  
  When the function is stored in the JavaScript Folder
- B.
  
  When it is invoked from JavaScript code
- C.
  
  When an event occurs (when a user clicks a button)
- D.
  
  When you book a hall for a private function
2.

What would best describe the code below: var nums = [ 1, 2, 3, 4, 5, 6, 7, 8, 9 ];
- A.
  
  An array of strings
- B.
  
  An array of integers
- C.
  
  A variable
- D.
  
  A list of numbers
3.

JavaScript code will load before the webpage if stored in the head tags.
- A.
  
  True
- B.
  
  False
4.

It can be considered good practice to insert JavaScript code before the closing body ta, as this allows the HTML to load first
- A.
  
  True
- B.
  
  False
5.

When linking to an external JavaScript file what extension would the file have?
- A.
  
  .javascript
- B.
  
  .js
- C.
  
  .java
- D.
  
  .JSCRIPT
6.

When calling a function you pass in ......
7.

A user defined function or a built in function can have a list of.....
- A.
  
  Arguments
- B.
  
  Parameters
- C.
  
  Functions
- D.
  
  Variables
8.

In the loop below when i equals 2 what color will be displayed in the console? var colours = [red, green, blue]; for(i = 0; i < colours.length; i++) { console.log(colours[i]); }
- A.
  
  Red
- B.
  
  Blue
- C.
  
  Green
- D.
  
  None of the above
9.

In the code below what word describes each time the loop goes round? for(i = 0; i < 10; i++) { console.log( i );
- A.
  
  Interaction
- B.
  
  Iteration
- C.
  
  Individual
- D.
  
  Interstellar
10.

JavaScript is commonly known as...
- A.
  
  Server Side Scripting Language
- B.
  
  Client Side Scripting Language
- C.
  
  Browser Scripting Language
- D.
  
  Interactive Scripting Language
11.

JavaScript is used to...
- A.
  
  Add interactivity to HTML pages
- B.
  
  Add functionality to Server Side Pages
- C.
  
  To style webpages
- D.
  
  To create layout and structure for webpages
12.

What are the variables used for?
- A.
  
  Storing integers for manipulating in code
- B.
  
  Storing operators for manipulating in code
- C.
  
  Storing methods for manipulating in code
- D.
  
  Storing Strings for manipulating in code
13.

When joining 2 strings together in JavaScript this is known as?
- A.
  
  Concave
- B.
  
  Concatenation
- C.
  
  Convexity
- D.
  
  Convulsion
14.

If a variable is created inside a function the variable scope would be known as...
- A.
  
  Global
- B.
  
  Cosmic
- C.
  
  Local
- D.
  
  Familiar
15.

A Global variable can be accessed from any part of your program.
- A.
  
  True
- B.
  
  False
16.

Which part of the following code is the conditional statement? if ( x > 5) { console.log("Good Morning"); }else{"Goodnight"}
- A.
  
  Else{"Goodnight")
- B.
  
  ( x > 5)
- C.
  
  Document.write
- D.
  
  If
17.

When Developing Software - check the boxes that would be considered good practice.
- A.
  
  Appropriate naming of variables
- B.
  
  Appropriate description/naming of functions
- C.
  
  Commenting all logic in the code
- D.
  
  Make sure you use a cool theme
18.

Which one of the choices below is considered a selection construct in programming?
- A.
  
  While
- B.
  
  If..maybe
- C.
  
  If...else
- D.
  
  Var array
19.

Which Animal will the if statement display in the alert box? var animals = [ "Dog", "Cat", "Lion", "Bird", "Duck" ]; for( i = 0; i < animals.length; i++ ) { if( i === 4) { alert("The animal name is " + animals[ i ] ); }else{console.log(animals[ i ]); } }
- A.
  
  Cat
- B.
  
  Lion
- C.
  
  Bird
- D.
  
  Duck
- E.
  
  Dog
20.

Will the following condition return true OR false ?var x = 6;if( x >= 6 ) {console.log("Yes " + x + " is a Great Number")}
- A.
  
  True
- B.
  
  False