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