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