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