What value does the following JavaScript code fragment store into the variable num? varnum = localStorage.length;

D. number of key-value pairs in local storage

A. maximum length of a character string

B. potential capacity of local storage

C. number of bytes available in local storage

When content from a flow is loaded into a region, overflowed content:

B. continues into the next region.

A. attempts to fit into the region by auto-adjusting the styles.

C. is truncated and an error flag is set.

Which layout can you create by using a single CSS3 region?

C. a multiple column liquid layout

D. a multiple column fixed layout

The variable named "ctx" is the context of an HTML5 canvas object. What does the following code fragment draw? ctx.arc(x, y, r, 0, Math.PI, true);

C. a semi-circle at the given point

D. a line from one point to another

Your code includes the following fragment: <input type="text" name="text1" id="myText" /> You need to add code that will retrieve the contents of the INPUT element. Which JavaScript code fragment will accomplish this?

B. vartxtContents = document.getEIementyById('myText').value;

A. vartxtContents =document.getElementById('text1').value;

C. vartxtContents =document.getElementById('text1');

D. vartxtContents = document.getElementById('myText');

The data in a specific HTML5 local storage database can be accessed from:

A. Different browsers on the same device.

B. Different browsers on different devices.

C. The same browser on different devices.

D. The same browser on the same device.

Web Workers define an API for:

A. Publishing frequently updated works for syndication.

B. Running scripts in the background,

C. Bi-directional, full-duplex communications over a single TCP socket.

D. Distributing load across multiple web servers.

You create an interface for a touch-enabled application. During testing you discover that some touches trigger multiple input areas. Which situation will cause this problem?

B. The input areas are too close together.

A. The touch screen is not calibrated.

C. The defined input areas are too small.

D. The input areas are semi-transparent.

An HTML5 application can be used without going through a manufacturer's approval process if:

A. the browser on the device supports HTML5.

B. the manufacturer has unlocked the device's SIM card.

C. the application has been compiled.

D. the developer has the correct application ID.

What does the following HTML5 code fragment do?

D. It prompts the user to choose which format of the myVacation video it should play, .avi or .ogg.

A. It plays the myVacation.avi video if the browser supports it; otherwise, plays the myVacation.ogg video if the browser supports it.

B. It plays two videos: first myVacation.avi, and then myVacation.ogg.

C. It plays both videos simultaneously, myVacation.avi and myVacation.ogg.

Which are two features of SVG? (Choose two.)

C. uses high performance raster-based graphics

D. can be modified by using JavaScript

A. uses high performance pixel-based graphics

B. can be modified by using CSS

Which two outcomes will this code fragment accomplish? (Each correct answer presents a complete solution. Choose two.)

A. On pre-HTML5 browsers, the happy.wav file will not play, and instead Hello World will be displayed.

B. On an HTML5 browser that supports .wav files, the happy.wav file will be played and Hello World will be hidden.

C. On an HTML5 browser that supports .wav files, the happy.wav file will be played and Hello World will be displayed.

D. on pre-HTMLS browsers, the happy.wav file will play and Hello World will be hidden.

You create an interface for a touch-enabled application. You discover that some of the input buttons do not trigger when you tap the screen. You need to identify the cause of the problem. What are two possible causes? (Choose two.)

A. The input areas overlap with other input areas.

D. The defined input areas are not large enough.

B. The touch screen is not initialized.

C. The input areas are using event handlers to detect input.

An HTML5 application can run without an Internet connection if:

D. the application specifies the use of an ApplicationCache interface.

A. the application is converted to an executable.

B. the .NET Framework is installed on the client computer.

C. the application specifies the use of a client-side SQL database.

You add script tags to an HTML page. You need to update the text value within a specific HTML element. You access the HTML element by id. What should you do next?

D. Use the firstChild property and set the new text value with the nodeValue property.

A. Use the createTextNode method.

C. Set the new text value with the setAttribute method.

HTML5 App Development

Authored by Alice Parker

Instructional Technology

Professional Development

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

When applied to an image, the CSS float:right property:

A. positionsthe image to the left and displays all of the text to the right of the image.

B. positionsthe image to the right of the region and wraps text around the top, left, and bottom.

C. positionsthe image to the left of the region and wraps text around the top, right, and bottom.

D. positionsthe image to the right and wraps text to the top and bottom.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which CSS3 code segment styles the text color of EM elements to be red and semi-transparent?

A. Option A

B. Option B

C. Option C

D. Option D

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which CSS position value is used to position an element relative to the browser window?

A. position: relative;

B. position: absolute;

C. position: static;

D. position: fixed;

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the default value of the CSS position property?

A. fixed

B. absolute

C. static

D. relative

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A. Option A

B. Option B

C. Option C

D. Option D

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which code fragment prepares the HTML5 application to be used offline?

A. Option A

B. Option B

C. Option C

D. Option D

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You need to retrieve a value from local storage by using the key "aardvark."
Which code fragment should you use?

A. Option A

B. Option B

C. Option C

D. Option D

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HTML5 App Development

When applied to an image, the CSS float:right property:

Which CSS3 code segment styles the text color of EM elements to be red and semi-transparent?

Which CSS position value is used to position an element relative to the browser window?

What is the default value of the CSS position property?

Which code fragment prepares the HTML5 application to be used offline?

You need to retrieve a value from local storage by using the key "aardvark."
Which code fragment should you use?

What value does the following JavaScript code fragment store into the variable num? varnum = localStorage.length;

Which two touch gestures require a multi-touch device? (Choose two.)

You add a div object to a page.
Which CSS3 code fragment will add a scrollbar only if the content exceeds the width or height of the object?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Instructional Technology

HTML5 App Development

When applied to an image, the CSS float:right property:

Which CSS3 code segment styles the text color of EM elements to be red and semi-transparent?

Which CSS position value is used to position an element relative to the browser window?

What is the default value of the CSS position property?

Which code fragment prepares the HTML5 application to be used offline?

You need to retrieve a value from local storage by using the key "aardvark."Which code fragment should you use?

What value does the following JavaScript code fragment store into the variable num? varnum = localStorage.length;

Which two touch gestures require a multi-touch device? (Choose two.)

You add a div object to a page.Which CSS3 code fragment will add a scrollbar only if the content exceeds the width or height of the object?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Instructional Technology

You need to retrieve a value from local storage by using the key "aardvark."
Which code fragment should you use?

You add a div object to a page.
Which CSS3 code fragment will add a scrollbar only if the content exceeds the width or height of the object?