*{-webkit-user-select: none;-moz-user-select: none;-ms-user-select: none;user-select: none;}
或者指定某个元素添加#div{-webkit-user-select: none;-moz-user-select: none;-ms-user-select: none;user-select: none;}
原文：http://www.cnblogs.com/jin7754/p/5796525.html