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