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