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