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