jQuery控制表单输入框鼠标悬停提示效果，当文本框获得和失去焦点时会显示一个文字提示，其样式类似于A链接的title属性效果。形式简洁，提示内容自定义。在表单中加入此效果也是很容易就实现的。-jQuery control form input box prompts mouseover effect obtained when the text box loses focus and displays a text prompts, its style is similar to the effect of A link title attribute. Concise form, suggesting that the contents of the custom. Join this effect in the form is very easy to achieve.