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