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