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