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