Professional Practices in AJAX

Hi during last few days I completed few forms of our “Sri Lanka Tea Boardg”. Now I am entertaining the beauty of ajax. Now my supervisor transfer me to deal with some serious forms. Now I understood with out proper professional practice it is difficult to engadge in serious stuff.

Exception handling

I do spelling mistakes since my early school days. The reason I feel shy is because I am still the same. So exception handling is a hevan for me. The syntax is,

try
{}
catch(err)
{}

I always use to get detail report throw

alert(err.description);