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