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