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