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