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