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