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