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