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Please, write user friendly registration form in html.

How do I set the ID of an element (say the newLI element) to iphrase, where i is the value of the index number in an array?

I am developing an online test. An unanswered question should be dispalyed with a hyperlink and text "Unanswered" and once the question is answered the text should automatically be changed to "Answered". How can I do this?

I am writing a program in which we are inputting a purchase price and adding the shipping and handling charge to get a total price. When I add curPrice = curPrice + shipHandle; which would be 20 + 1.50 which should = 21.50 I get 201.5.

I need to do an assignment "Currency converter" with a numeric pad which converts euro dollar, pound and Mauritian rupees.

I m currently doing B.Tech(VIII sem.) in Computer science.
Please suggest some unique project ideas for final year. I wanted to create a web application in PHP