Simple implementation of JS for DOM operation Encapsulation _javascript Skills

This article mainly describes the JS simple implementation of the DOM operation encapsulation, the following directly on the code:

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">  

Again for you to share a JS Common DOM operation, the code is as follows

The above is JS for DOM related common operations, I hope to help you learn.