If you are learning jQuery, this information may be helpful for you, here collected and used in the performance function jq familiar with and use these features function to help us to quickly complete a variety of functions, but also make our code exception simplicity and efficiency.

As a Java programmer, for JavaBean Perhaps you will be very familiar with; its role in the multi-layer system, the name has a different PO, VO, DTO, POJO, DO (Domain Object). However, it is a Class, put on some properties and their setter/getter methods.