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