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