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