Html 5 Has lot of user-friendly features . If you are working on web application with 2005 or .net 3 versions , there are lot of validations required for each fields like email , date ...

See How HTML 5 help for the us












The above Example's show few examples of HTML 5. There are input several Types in HTML 5 like Email, Date ,Time ....the first example shows email type, It will allow only Email in that field ,Automatically validate whether is the input value properly as an email format.

The second example is showing Required field validater for text box. Shows error message once enty not match the Expression.