To get information regarding current browser

for(x in navigator)
document.write(x+"="+navigator[x]+"
");

Check if javascript is disabled

To check if javascript is disabled and execute a code block on the same condition use the following block

write a loop that adds the numbers 1 to 100 and prints the result

Write a loop that adds the numbers 1 to 100 and prints the result?

Write a Function that takes 4 input parameters and returns true only if all four of them are true

Write a Function that takes 4 input parameters and returns true only if all four of them are true?

Difference between Silverlight and WPF

Silver light is designed to build browser-based rich applications where as WPF aims at building rich windows applications

Silverlight runs on a stripped-down version of .Net framework but WPF supports IE,Firfox and Safari on Mac.

Moonlight is an effort by Microsoft to support Silverlight on Linux/Unix
http://en.wikipedia.org/wiki/Moonlight_%28runtime%29

New in different stages of . Net

.Net 2.0
Entirely new framework for developing managed web and Windows apps

.Net 3.0
Added WCF + WPF in addition to .Net 2.0

.Net 3.5
Added Linq

Registration Form->Requirement Analysis

You can add further points if you like R&D is a never ending process

1.Form Design:Use of any of the inline design or a company template
2.Username/Password will be system generated or manual
3.fields in a registration form
4.Validations on fields
5.Required fields
6.Procedure to recover password
7.Password Expiry System if needed