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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. symbol used to return the DOM object representing the element with a given id (replaces document.getElementById)
Internal server error
open
$
Ok all good
2. JavaScript library built on top of Prototype that adds visual effects - drag and drop - and others (auto complete - in-place editors)
Scriptaculous
Ajax.Autocompleter
Bad Request
Forbidden
3. 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.
set of options
Ajax.Request constructor
send (content)
DOM (Document Object Model)
4. Objects have properties such as the title tag on a page is a property of _________. Properties themselves are objects.
object document
Ajax.Request constructor
Autocompleter.Local
Ajax.Autocompleter
5. 400 status message
Bad Request
responsive
security restrictions
Autocompleter.Local
6. Handler that runs whenever readyState changes
onreadystatechange
asynchronous requests
Internal server error
Bad Request
7. Ajax helps make more ________ sites
asynchronous
open
responsive
DOM (Document Object Model)
8. 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)
asynchronous interaction
XMLHttpRequest object
ajax (Asynchronous Javascript + XML)
9. new Ajax.Request("file.php" - { method:"get" - parameters: {zip:valueOfZipCode} - onSuccess: displayCityState } );
DOM inspector
Prototype
query string
Prototype ajax request
10. It can access surrounding local variables
DOM (Document Object Model)
inner anonymous function
query string
security restrictions
11. XMLHttpRequest to pass header name and get response.
object document
getResponseHeader ("headername")
Forbidden
open
12. 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 (Asynchronous Javascript + XML)
security restrictions
open
query string
13. 200 status message
XMLHttpRequest object
Ok all good
Autocompleter.Local
security restrictions
14. A lightweight data-interchange format
Bad Request
JSON (Javascript Object Notation)
DOM (Document Object Model)
send (content)
15. The real value of XML HTTP request is in the way it is ________.
asynchronous
Ajax.Autocompleter
onreadystatechange
Autocompleter.Local
16. User can keep interacting with page while data loads
JSON (Javascript Object Notation)
XTML HTTP Request (XHR object)
asynchronous
asynchronous interaction
17. The core Javascript object that makes Ajax possible. Can fetch files from a web server
Autocompleter.Local
Ajax.Request constructor
Unauthorized
XMLHttpRequest object
18. 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)
asynchronous interaction
readyState property
Internal server error
Not Found
19. XML Allows you to use __________ as well because XML is a document.
XMLHttpRequest object
Unauthorized
DOM inspector
Ajax.Autocompleter
20. 403 status message
DOM (Document Object Model)
security restrictions
Forbidden
responsive
21. 401 status message
Not Found
Unauthorized
JSON (Javascript Object Notation)
Internal server error
22. Parameters of Prototype's Ajax.Request: object- URL of request - ________
inner anonymous function
Prototype
asynchronous interaction
set of options
23. A set of useful additional objects - methods - and cross-browser compatibility fixes
Not Found
inner anonymous function
prototype javascript library
send (content)
24. Makes the necessary arrangements for the server
Prototype
open
Ajax.Autocompleter
Forbidden
25. Fetches and displays list of choices using Ajax
Ajax.Autocompleter
Forbidden
Not Found
readyState property
26. AJAX files ______________: Cannot be run from web page stored on hard drive - can only be run on web page stored on a web server
XTML HTTP Request (XHR object)
responsive
security restrictions
inner anonymous function
27. Script to use _________: <script type="text/javascript" src=" http://ajax.googleapis.com/ajax/libs/prototype/1.6.0.3/prototype.js "></script>
open
Prototype
Scriptaculous
responsive
28. 500 status message
inner anonymous function
Forbidden
Ok all good
Internal server error
29. 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
query string
object document
DOM (Document Object Model)
30. 404 status message
Internal server error
Not Found
set of options
Autocompleter.Local
31. 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
inner anonymous function
asynchronous requests
32. Sends request to server
JSON (Javascript Object Notation)
send (content)
Not Found
responsive
33. Way of encoding parameters into a URL (parameter1=value1¶meter2=value2)(parameters are preceded by a ?)
inner anonymous function
responsive
query string
Ajax.Request constructor
34. Options that can be passed to the ____________: method (get or post) - parameters to pass to the server
XMLHttpRequest object
prototype javascript library
Ajax.Request constructor
open
35. Stores the value returned when send() is finished
send (content)
ajax.responseText
Ajax.Autocompleter
$
36. Auto-completes from an array of choices
Autocompleter.Local
responsive
readyState property
asynchronous interaction