MTA_HTML5_Code_by_Using_JavaScript

Question 1

What information is held in the memory resources of mobile devices?

Accepted Answer

Contact lists and calendars

Question 2

What can the developer use to test for the rotation of the physical device?

Accepted Answer

orientationchange

Question 3

What is the correct syntax for defining a new variable in JavaScript?

Accepted Answer

var lastName;

Question 4

What gesture is used to increase the size of the screen display?

Accepted Answer

pinchopen

Question 5

What mouse event handler triggers the JavaScript code when the user presses the mouse button?

Accepted Answer

onmousedown

Question 6

What tech will enable a company to identify the current location of its customers?

Accepted Answer

geolocation

Question 7

How can a company improve their website response time?

Accepted Answer

web workers

Question 8

What is a benefit of using AppCache?

Accepted Answer

It saves a URL manifest in a text file available offline.

Question 9

What libraries should Isabel review to learn more about adding animation to a site?

Accepted Answer

Windows Library, jQuery

Question 10

What is the benefit of using animation libraries to add animations to a site?

Accepted Answer

Reduces development time by reusing existing functions.

Question 11

What OS environment allows the developer to access new device tech like a camera or microphone?

Accepted Answer

WinRT

Question 12

How can developers use a blob in their web design?

Accepted Answer

To access and save text files.

Question 13

What mobile device resource detects any forces resulting from the movement of the device?

Accepted Answer

Accelerometer

Question 14

What technique registers that the user is rotating an image on the screen?

Accepted Answer

A gesture, which is touching the screen with two fingers.

Question 15

Which variable name is valid in JavaScript?

Accepted Answer

todaysDate

Question 16

What new HTML5 database allows developers to store structured data on the client computer?

Accepted Answer

Indexed database

Question 17

Which JavaScript command is used to dynamically add new elements?

Accepted Answer

createElement(tag);

Question 18

Which JavaScript command is used to locate and access an element on the page?

Accepted Answer

getElementById(idname)

Question 19

What part of the HTML code should include the statements to import existing JavaScript files?

Accepted Answer

<head>

Question 20

Which JavaScript built-in function tests for a numeric value?

Accepted Answer

isNaN()

Question 21

What API can be used to provide a chat application?

Accepted Answer

WebSockets

Questions 21