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