SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Ajax
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 36 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. symbol used to return the DOM object representing the element with a given id (replaces document.getElementById)
onreadystatechange
Unauthorized
Autocompleter.Local
$
2. A lightweight data-interchange format
JSON (Javascript Object Notation)
object document
Prototype ajax request
Not Found
3. Fetches and displays list of choices using Ajax
Bad Request
Ajax.Autocompleter
Prototype ajax request
XTML HTTP Request (XHR object)
4. AJAX files ______________: Cannot be run from web page stored on hard drive - can only be run on web page stored on a web server
security restrictions
XMLHttpRequest object
DOM inspector
prototype javascript library
5. This holds the status of the XMLHttpRequest - is set several times by the web server when the server is processing the request - values from 0-4 (4 implies that the request is completely processed by server)
ajax (Asynchronous Javascript + XML)
onreadystatechange
readyState property
Ajax.Autocompleter
6. XML Allows you to use __________ as well because XML is a document.
send (content)
JSON (Javascript Object Notation)
DOM inspector
Forbidden
7. 200 status message
Ok all good
set of options
JSON (Javascript Object Notation)
Not Found
8. Ajax helps make more ________ sites
responsive
DOM inspector
DOM (Document Object Model)
Internal server error
9. It can access surrounding local variables
Ajax.Request constructor
inner anonymous function
object document
XTML HTTP Request (XHR object)
10. The real value of XML HTTP request is in the way it is ________.
$
Prototype
asynchronous
asynchronous interaction
11. 400 status message
inner anonymous function
Bad Request
Scriptaculous
JSON (Javascript Object Notation)
12. A set of useful additional objects - methods - and cross-browser compatibility fixes
readyState property
asynchronous interaction
onreadystatechange
prototype javascript library
13. An object that allows requests to be made to the server without interrupting other browser tasks. Its an object and objects contain properties. The properties are: readyState - responseText - responseXML - status - statusText
DOM (Document Object Model)
asynchronous
XTML HTTP Request (XHR object)
Ok all good
14. The core Javascript object that makes Ajax possible. Can fetch files from a web server
$
getResponseHeader ("headername")
XMLHttpRequest object
DOM (Document Object Model)
15. At its core ________ is a way of showing data in a text format that is parsable. Without an associated style file.
XTML HTTP Request (XHR object)
security restrictions
XML
getResponseHeader ("headername")
16. JavaScript library built on top of Prototype that adds visual effects - drag and drop - and others (auto complete - in-place editors)
ajax (Asynchronous Javascript + XML)
Scriptaculous
prototype javascript library
JSON (Javascript Object Notation)
17. Options that can be passed to the ____________: method (get or post) - parameters to pass to the server
set of options
$
Ajax.Request constructor
readyState property
18. 404 status message
send (content)
onreadystatechange
XML
Not Found
19. 403 status message
onreadystatechange
Forbidden
DOM (Document Object Model)
Autocompleter.Local
20. Parameters of Prototype's Ajax.Request: object- URL of request - ________
asynchronous
Ok all good
set of options
prototype javascript library
21. Script to use _________: <script type="text/javascript" src=" http://ajax.googleapis.com/ajax/libs/prototype/1.6.0.3/prototype.js "></script>
ajax (Asynchronous Javascript + XML)
Bad Request
Prototype
Not Found
22. 401 status message
inner anonymous function
send (content)
Unauthorized
Autocompleter.Local
23. Stores the value returned when send() is finished
Ajax.Autocompleter
ajax.responseText
security restrictions
inner anonymous function
24. Way of encoding parameters into a URL (parameter1=value1¶meter2=value2)(parameters are preceded by a ?)
$
Prototype ajax request
query string
Ajax.Autocompleter
25. User can keep interacting with page while data loads
object document
asynchronous interaction
JSON (Javascript Object Notation)
getResponseHeader ("headername")
26. Process to sending ___________: create request object(var ajax= new XMLHTTPRequest())- attach event handler to onreadystatechange(ajax.onreadystatechange = function) - open a connection (ajax.open("get" -url -true); makes arrangements for the server
asynchronous requests
Ajax.Request constructor
set of options
$
27. Objects have properties such as the title tag on a page is a property of _________. Properties themselves are objects.
object document
security restrictions
Ajax.Request constructor
asynchronous requests
28. Everything in a document - everything in a browser window is an object. When we talk about these objects the word for that is model. Documents on a webpage = the DOM.
DOM (Document Object Model)
asynchronous
Prototype ajax request
$
29. Auto-completes from an array of choices
XML
Ajax.Autocompleter
Autocompleter.Local
Scriptaculous
30. Makes the necessary arrangements for the server
asynchronous interaction
set of options
open
Internal server error
31. 500 status message
Internal server error
ajax.responseText
readyState property
asynchronous
32. Handler that runs whenever readyState changes
XML
set of options
Ok all good
onreadystatechange
33. Sends request to server
send (content)
prototype javascript library
Internal server error
Bad Request
34. A group of interrelated web development techniques used on the client-side to create interactive web applications - Loading information using JavaScript from a web server without refreshing the page. Asynchronous requests may be made and responses ar
getResponseHeader ("headername")
ajax (Asynchronous Javascript + XML)
prototype javascript library
Prototype
35. new Ajax.Request("file.php" - { method:"get" - parameters: {zip:valueOfZipCode} - onSuccess: displayCityState } );
object document
Autocompleter.Local
Prototype
Prototype ajax request
36. XMLHttpRequest to pass header name and get response.
query string
Ajax.Request constructor
getResponseHeader ("headername")
ajax (Asynchronous Javascript + XML)