Test your basic knowledge |

Ajax

Subject : it-skills
Instructions:
  • Answer 36 questions in 20 minutes. 2 minutes extra for reading the instructions.
  • 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. XML Allows you to use __________ as well because XML is a document.






2. Fetches and displays list of choices using Ajax






3. 400 status message






4. It can access surrounding local variables






5. JavaScript library built on top of Prototype that adds visual effects - drag and drop - and others (auto complete - in-place editors)






6. A lightweight data-interchange format






7. 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






8. Handler that runs whenever readyState changes






9. The real value of XML HTTP request is in the way it is ________.






10. The core Javascript object that makes Ajax possible. Can fetch files from a web server






11. 403 status message






12. Stores the value returned when send() is finished






13. new Ajax.Request("file.php" - { method:"get" - parameters: {zip:valueOfZipCode} - onSuccess: displayCityState } );






14. 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)






15. XMLHttpRequest to pass header name and get response.






16. symbol used to return the DOM object representing the element with a given id (replaces document.getElementById)






17. 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






18. Ajax helps make more ________ sites






19. 404 status message






20. Script to use _________: <script type="text/javascript" src=" http://ajax.googleapis.com/ajax/libs/prototype/1.6.0.3/prototype.js "></script>






21. AJAX files ______________: Cannot be run from web page stored on hard drive - can only be run on web page stored on a web server






22. Makes the necessary arrangements for the server






23. Sends request to server






24. Parameters of Prototype's Ajax.Request: object- URL of request - ________






25. Way of encoding parameters into a URL (parameter1=value1&parameter2=value2)(parameters are preceded by a ?)






26. 500 status message






27. 401 status message






28. A set of useful additional objects - methods - and cross-browser compatibility fixes






29. 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.






30. Auto-completes from an array of choices






31. 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






32. User can keep interacting with page while data loads






33. Options that can be passed to the ____________: method (get or post) - parameters to pass to the server






34. At its core ________ is a way of showing data in a text format that is parsable. Without an associated style file.






35. Objects have properties such as the title tag on a page is a property of _________. Properties themselves are objects.






36. 200 status message