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