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