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