在运用鼠标移入移出事件时,一般有两种做法,一种是DOM事件的"onmouseover"和"onmouseout",还有一种是css的伪类":hover". 在实际运用中如何选择,取决于清楚明白的了解他们之间的区别. HTML DOM 允许 JavaScript 对 HTML 事件作出反应. 在我们为元素绑定了一个事件,当事件发生的时候,可以执行一段javascript代码. 关于鼠标事件,总共有: onmouseover和onmouseout 鼠
Link The :link CSS pseudo-class lets you select links inside elements. This will select any link which has not yet been visited, even those already styled using selector with other link-related pseudo-classes like :hover, :active or :visited. In orde