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