Java Script Trivia

Question #1

What does console.log() do?

Outputs a message to the web console.
Iterates through each element of an array.
Leaves comments in your code.

Question #2

What is the proper Syntax for a For Loop?

for (i + 0; i = array.length; i++) { console.log(array[i]); }

for (i = 0; i < array.length; i++) { console.log(array[i]); }

for (i = 0; i < arraylength; i++) { console.log(array[i]); }

Question #3

Function(x,y){}, what is the name for the items within the parenthesis?

Objects

Parameters

Booleans

Question #4

What is the proper declaration for a variable?

var myVar: value

var myVar != value

var myVar = value

Question #5

What is the syntax for multiline comments in JavaScript?

// comment

/* comment */

// comment \\

Question #6

Which would display the third item in the array?

console.log(array[2]);

console.log(array[1]);

console.log(array[3]);

Question #7

JavaScript is a single threaded language?

True

False

Question #8

What is the proper syntax to display multiple values with console.log()?

console.log(value1 + value2);

console.log(value1 value2);

console.log(value1, value2);

Question #9

What is an array?

A set of values stored within a single variable.

A string method.

An assignment method.

Question #10

What does the pop() method do in arrays?

Adds a new element to the end of the array.

Adds a new element to the beginning of the array.

Removes the last element of the array.

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