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