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