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