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