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