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