FormTools

FormTools is a collection of utilities for enhancing the usability of forms:

• add a “caps-lock is on” warning to password fields
• add a “show password” checkbox to password fields
• create masked-password fields (like iphone passwords)
• add automatic clear/restore for default values
• implement single-click to select-all
• implement maxlength for textareas

官网地址：http://www.brothercake.com/site/resources/scripts/formtools/

 

具体示例参考附件。