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