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