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