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