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