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What is the basic code you would need to define a named function that returns a value?
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Section 1
(50 cards)
What is the basic code you would need to define a named function that returns a value?
function myFunction() { return value; }
Occasionally, you will want to declare a variable that can be accessed by more than one function or script block in your program. You will need to declare that variable outside of any function definition, usually at the start of your script. What term is used to describe this type of variable?
Global variable
Ezra wants to use an image to completely cover the background in a Web page. He wants to fill the entire background while maintaining the aspect ratio of the image. Which value should he assign to the CSS3 background-size property?
cover
Which of the following is a key difference between responsive site design and mobile site design?
Content on a responsive site is easier to update and maintain because the site is not separate
What does the optional CSS3 font-stretch property do?
It specifies how the font should be spaced: expanded or condensed
Which of the following is an event handler for the button object?
onclick
What can you use in CSS if you want to customize your own HTML element styles?
The class and id selectors
Ellen wants to make her existing HTML 4.01 Web page code easily adaptable to XML technologies, which she knows her company will be adopting in the near future. How can she accomplish this?
By applying the stricter syntax rules of XML to her existing code to upgrade the code from HTML to XHTML
You can use a CSS style sheet rule to override styles specified in a linked external style sheet. Which term is used to describe this style sheet behavior?
Inheritance
In your HTML5 form, you want users to enter a date in the Date field using a specific format, such as mm/dd/yyyy. Which HTML5 <input> element attribute can you use to require the specified format?
pattern
What HTML5 API can you use to provide location-based services, such as mapping?
The Geolocation API
What is the main purpose of Responsive Web Design (RWD)?
To create sites that adapt gracefully to many different devices and screen sizes
Liza wants to add continuous animation to her Web site, but she does not want to require users to install a browser plug-in. Which CSS3 property should she use to accomplish this?
animation
As a Web designer, you use the CSS Box Model to help configure the space around each HTML element so that the elements will not overlap or lay against one another when users render your Web pages in a browser. What constitutes the full size of an HTML element?
The content plus the padding, border and margin surrounding it
In JavaScript, what is casting?
A technique for variable control in which a variable's value is changed from one data type to another
Many Web designers try to control the way that Web page elements will render on the screen. A designer who uses a liquid layout:
ensures that the page elements will change dynamically depending on the size of the browser window
The principle of responsive design is essential for today's user interface designers. The term "responsive design" describes the ability to create pages that:
respond to user screen size
Consider the following code: var emeraldGreen = true; What variable data type does this snippet of code represent?
Boolean
CSS3 allows you to create rounded navigation menus without the use of:
JavaScript or images
The HTML5 File API can be used to:
create preview thumbnail images during image uploads
What two keys are created by the HTML5 <keygen> element?
A private key and a public key
Which type of CSS effect allows an element to gradually change styles from one to another?
Transition
Which of the following examples describes a syntax error?
Forgetting to close the curly braces that designate a block of code for execution
Mobile Web sites have several advantages over mobile apps. However, mobile apps make sense:
with services such as gaming that use special features of the smartphone or device
Prior to HTML5, what did Web developers use to conduct inline validation in HTML forms?
JavaScript
Rosa is creating a Web site that contains forms with HTML5 input types. What should she do before publishing the Web site?
Test her pages on various browsers to see how they appear and perform
Alya checked her code to verify that it complies with the syntax rules for her chosen HTML standard. In which process did Alya engage?
Code validation
Consider the following Cascading Style Sheets (CSS) rule: body {background-color: #008080;} Which is the "selector" portion of this rule?
The portion that reads "body"
Which technique can developers use to keep images from exceeding the screen width of users' mobile devices?
Fluid images
What does the term "user agent" mean?
Any application, such as a Web browser or help engine, that renders HTML for display to users
Which of the following is a global HTML5 attribute that can be used with the <button> element to specify whether form input will be sent to the server using get or post?
formmethod
HTML5 includes additions that are intended to help users enter information into forms when using touchscreen keyboards and small mobile device screens. Form fields should also be clearly defined so users know exactly what input is expected. These improvements should increase form completion rates. Which of these HTML5 additions are built-in processes that can check and guide user input into form fields before form submission?
Validation tools
For what purpose should Arnold use Cascading Style Sheets (CSS) when designing his Web pages?
To determine how the HTML elements in his Web pages will appear
You are creating a Web page that will display game graphics on the fly. You do not want to rely on browser plug-ins or third-party JavaScript libraries. Which of the following should you use?
The Canvas API
Consider the following code: <script> function mySum(a, b) { ...(your selection here) } alert(mySum(2,3)); </script> Which code properly supplies the alert with the sum of the two numbers?
return a+b;
The HTML5 specification for the <audio> element does not require a specific audio codec to be supported, but it does support three audio formats: MP3, Ogg and WAV. Which major browser supports all three audio formats?
Chrome
You are developing pages for your company's Web site. You create an HTML5 search field using the following code: <input type="search" name="search"> When you test the page on various browsers, the first browser supports the new input type and displays the search field. The second browser does not support this new input type and gracefully degrades. What type of field does the second browser display?
A text box
What makes a scripting language, such as JavaScript, different from a full programming language, such as C, C++ and Java?
Scripting languages are generally interpreted without the explicit compilation step that full programming languages need to run
You are reviewing HTML5 markup code that your co-worker created. You notice several <object> tags that reference external stand-alone, mini-applications. Which language did your co-worker most likely use to create these mini-applications?
Java
Kwan is using JavaScript extensively to add interactivity to his Web site. Contained within his script is a counter object that calculates a date based on a number input by the user. Which term describes the calculation process that Kwan's counter object performs?
Method
The <label> element enables you to add a label to a form field, such as an <input> element. What attribute of the <label> element is used to bind it with the associated form field?
The for attribute
You can use CSS to align images to text. Which property should you use if you do not want floating images to appear before or after text?
The clear property
What is the default value for the CSS3 transition-duration property?
0
Which technology can be defined as a vendor-neutral, cross-platform API that specifies how objects in a Web document can be referred to and manipulated through scripting languages?
DOM
What is the term for a piece of data that is to be operated upon or manipulated in some manner?
Operand
You are creating a mobile Web site for your company's polling service. Users will be completing polls and surveys about various topics. How can you simplify the page layout to increase this site's usability on mobile devices?
Use radio buttons, check boxes and drop-down lists instead of text boxes wherever possible
In general, what can you use the XMLHttpRequest object to do in your Web pages?
Update content on Web pages without reloading them
What is the term for a value containing data or code that is passed on to a function or procedure?
Argument
You are embedding a video in your HTML5 page and want to incorporate the Play, Pause, Rewind and Volume video controls. Which attribute is needed to accomplish this?
controls="controls"
One of the most important and most used features in any programming language is variables. You can use a variable to:
store a value that can be accessed repeatedly in your script
Section 2
(5 cards)