jQuery Validate
ไฟล์ index.html ใส่ฟอร์ม <!doctype html> <html lang="en"> <head> <script type="text/javascript" src="jquery-1.7.1.min.js"></script> <script type="text/javascript" src="myscript.js"></script> <script type="text/javascript" src="jquery.validate.min.js"></script> <script type="text/javascript" src="jQueryPlugin.js"></script> </head> <body> <div id="info"><form id="commentForm" action=""> <input type="text" id="hello" value=""…