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