CS174 Spring 2016Practice Final

1. Write a short Javascript function which takes an id of a div tag as argument and adds a select dropdown to the inner html of this tag with 101 items: Select a Page, 00.html, 01.html, 02.html, 03.html... such that when an item other than the Select a Page is chosen the browser goes to that page.
2. Briefly explain how one makes (a) constructor functions in Javascript, (b) how one can add a method to a Javascript object, (c) what the prototype property of an object is.
3. Write a Javascript function which when run attaches a DOM 2 click event handler to every div tag on the current document that creates an alert with the contents of the div tag clicked.
4. Give a small example DTD which defines at least one element, attribute list, and entity. Rewrite this DTD as an XML Schema. Give an example XML document that conforms to your DTD.
5. Explain how a webservice might be defined using REST. Give an example of how to request a web page using an XMLHttpRequest object and then making use of the response.
6. Briefly explain how each of the following web attacks works: XSS, CSRF, Click Jacking.
7. Describe the process of creating a binary gettext .mo file. How would this file be used within a web app?
8. Write a short program that demonstrate how to use memcache within PHP.
9. Give a short code snippet to display a video within an HTML page.
10. Briefly define and give an example of the following terms: (a) link-farm, (b) spider-trap, (c) url rewriting.