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