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