Week 7 Quiz True or False

Question 1

By default, event handlers are set to the bubbling phase.

Answer 1

TRUE

Question 2

In JavaScript, Array inherits from Object.

Answer 2

TRUE

Question 3

In JavaScript, a closure is an inner function that has access to its outer function’s scope, even after the outer function has returned.

Answer 3

TRUE

Question 4

You are allowed to have more than one script tag on the page for multiple JavaScript references.

Answer 4

TRUE

Question 5

Null is not a data type of JavaScript

Answer 5

FALSE

Question 6

JavaScript Supports dynamic typing

Answer 6

TRUE

Question 7

A String can be made using either the single or double quotes characters.

Answer 7

TRUE

Question 8

The default value returned from a function is undefined.

Answer 8

TRUE

Question 9

An object is essentially a collection of key/value pairs.

Answer 9

TRUE

Question 10

A callback function is a function that is an argument of another function that is typically executed before returning.

Answer 10

TRUE

Question 11

The number 1, is considered truthy

Answer 11

TRUE

Question 12

AJAX stands for Asynchronous JSON and XML

Answer 12

FALSE

Asynchronous JavaScript And XML

Question 13

JS array method
array.push adds an element to the beginning of an array.

Answer 13

FALSE

Question 14

Global variables

If you don’t declare a variable within a function, then it will be considered a global variable (assume non-strict mode).

Answer 14

TRUE

Question 15

JS code execution

JavaScript code is compiled before being delivered to the browser (or other platform).

Answer 15

FALSE

Question 16

5 == “5” is true

Answer 16

TRUE

Explanation : True, double equals use type coercion making string “5” into the number 5 before comparing

Question 17

HTML is a programming language.

Answer 17

FALSE

It is a markup language

Question 18

External CSS can be reused on multiple pages?

Answer 18

TRUE

Question 19

A comment is seen by the end user.

Answer 19

FALSE

Explanation : A comment is not visible to end users.

Question 20

The tag < p> starts a paragraph.< /p>

Answer 20

TRUE