html:
<divid="sign">thisistest!</div>
css:
<styletype="text/css">
.out{background-color:gray;}
.over{background-color:red;}
.down{background-color:yellow;}
</style>
Way1:
js:
$(function(){
varsign=document.getElementById("sign");
changBkColor(sign);
});
functionchangBkColor(obj){
obj.onmouseover=function(){this.className="over";};//鼠标悬停事件
obj.onmouseout=function(){this.className="out";};//鼠标离开事件
obj.onmousedown=function(){this.className="down";};//鼠标点击时触发事件
}
Way2:
JQuery
/*$(obj).hover(inFunction,outFunction)
*等同于$(obj).mouseover().mouseout();
*/
$(function(){
$('#sign').hover(function(){
$('#sign').addClass('over');
},function(){
$('#sign').removeClass('over').addClass('out');
});
});
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