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