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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. Script to use _________: <script type="text/javascript" src=" http://ajax.googleapis.com/ajax/libs/prototype/1.6.0.3/prototype.js "></script>
Prototype
inner anonymous function
Ok all good
responsive
2. AJAX files ______________: Cannot be run from web page stored on hard drive - can only be run on web page stored on a web server
getResponseHeader ("headername")
Scriptaculous
security restrictions
send (content)
3. Objects have properties such as the title tag on a page is a property of _________. Properties themselves are objects.
asynchronous interaction
ajax.responseText
open
object document
4. Options that can be passed to the ____________: method (get or post) - parameters to pass to the server
Ajax.Request constructor
set of options
object document
onreadystatechange
5. 400 status message
security restrictions
Forbidden
Bad Request
onreadystatechange
6. 200 status message
XTML HTTP Request (XHR object)
ajax.responseText
DOM (Document Object Model)
Ok all good
7. 401 status message
Unauthorized
$
send (content)
asynchronous interaction
8. Stores the value returned when send() is finished
Autocompleter.Local
XTML HTTP Request (XHR object)
Ajax.Request constructor
ajax.responseText
9. Ajax helps make more ________ sites
responsive
Ajax.Request constructor
send (content)
Ok all good
10. Way of encoding parameters into a URL (parameter1=value1¶meter2=value2)(parameters are preceded by a ?)
query string
responsive
ajax.responseText
XML
11. Fetches and displays list of choices using Ajax
Ajax.Autocompleter
Ok all good
DOM inspector
object document
12. symbol used to return the DOM object representing the element with a given id (replaces document.getElementById)
$
Bad Request
Ajax.Autocompleter
Autocompleter.Local
13. 404 status message
security restrictions
XMLHttpRequest object
Ajax.Autocompleter
Not Found
14. It can access surrounding local variables
open
Prototype ajax request
inner anonymous function
responsive
15. XMLHttpRequest to pass header name and get response.
open
getResponseHeader ("headername")
DOM (Document Object Model)
DOM inspector
16. 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
XTML HTTP Request (XHR object)
Bad Request
Forbidden
asynchronous
17. 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)
JSON (Javascript Object Notation)
security restrictions
readyState property
Ok all good
18. Makes the necessary arrangements for the server
XML
security restrictions
DOM (Document Object Model)
open
19. JavaScript library built on top of Prototype that adds visual effects - drag and drop - and others (auto complete - in-place editors)
Scriptaculous
Autocompleter.Local
Internal server error
JSON (Javascript Object Notation)
20. Parameters of Prototype's Ajax.Request: object- URL of request - ________
Prototype
$
set of options
prototype javascript library
21. 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
Prototype ajax request
Forbidden
asynchronous requests
Internal server error
22. User can keep interacting with page while data loads
asynchronous interaction
send (content)
query string
Prototype
23. 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
open
Forbidden
ajax (Asynchronous Javascript + XML)
Unauthorized
24. The real value of XML HTTP request is in the way it is ________.
prototype javascript library
send (content)
Scriptaculous
asynchronous
25. A lightweight data-interchange format
prototype javascript library
JSON (Javascript Object Notation)
Ajax.Request constructor
query string
26. 403 status message
Prototype
Forbidden
DOM (Document Object Model)
asynchronous
27. A set of useful additional objects - methods - and cross-browser compatibility fixes
prototype javascript library
Not Found
inner anonymous function
asynchronous interaction
28. Auto-completes from an array of choices
inner anonymous function
XML
ajax (Asynchronous Javascript + XML)
Autocompleter.Local
29. Handler that runs whenever readyState changes
inner anonymous function
Ajax.Autocompleter
onreadystatechange
JSON (Javascript Object Notation)
30. Sends request to server
inner anonymous function
prototype javascript library
query string
send (content)
31. 500 status message
prototype javascript library
$
object document
Internal server error
32. At its core ________ is a way of showing data in a text format that is parsable. Without an associated style file.
XML
$
Forbidden
object document
33. XML Allows you to use __________ as well because XML is a document.
asynchronous interaction
responsive
DOM inspector
inner anonymous function
34. 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.
Ajax.Autocompleter
onreadystatechange
open
DOM (Document Object Model)
35. new Ajax.Request("file.php" - { method:"get" - parameters: {zip:valueOfZipCode} - onSuccess: displayCityState } );
Prototype ajax request
Ajax.Autocompleter
Autocompleter.Local
XMLHttpRequest object
36. The core Javascript object that makes Ajax possible. Can fetch files from a web server
security restrictions
set of options
XMLHttpRequest object
onreadystatechange