输入框信息提示

输入框信息提示简单不多说!

<input id="search" type="text"  onblur="if (this.value =='') this.value='Information content'" onClick="if (this.value=='Information content')this.value=''" value='Information content' />

原文地址:https://www.cnblogs.com/52net/p/2526755.html