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<title>Tab切换-自动</title>
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window.onload=function(){
var num=0;
var timer=null;
//var notice=document.getElementById('notice');
var noticeTit=document.getElementById('notice-tit');
var noticeCon=document.getElementById('notice-con');
var title=noticeTit.getElementsByTagName('li');
var con=noticeCon.getElementsByClassName('mod');
function autoPlay(){
num++;
if(num==title.length){
num=0;
}
showTab(num);
}
// 给tab鼠标移上效果
function showTab(i){
for(var j=0;j<con.length;j++){
con[j].style.display='none';
title[j].className='';
}
con[i].style.display='block';
title[i].className='select';//className 属性设置或返回元素的 class 属性
}
for(var i=0;i<title.length;i++){
title[i].index=i;//index() 方法返回指定元素相对于其他指定元素的 index 位置
title[i].onmouseenter=function(){//onmouseenter 事件在鼠标指针移动到元素上时触发
clearInterval(timer);//clearInterval() 方法可取消由 setInterval() 函数设定的定时执行操作
showTab(this.index);//知道的当前显示的div的位置
num=this.index;
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title[i].onmouseleave=function(){// 在鼠标指针移出元素上时触发
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曝范冰冰将参演好莱坞大片《355》曝范冰冰将参演好莱坞大片《355》
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消防员住地一排***祭战友
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比特币严管啦！
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禁发商品名录！
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橱窗规则升级啦
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卖家防范红包欺诈提醒
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更换收货地址的陷阱！
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注意***的技术升级了！
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走进无声课堂
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淘宝之行大众评审赢公益金
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爱心***联合征集
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<script>
var noticeTit = document.getElementById('notice-tit');
var noticeCon = document.getElementById('notice-con');
var TitLi = noticeTit.getElementsByTagName('li');
var ConLi = noticeCon.getElementsByClassName('mod');
var index;
for(var i=0;i<TitLi.length; i++){
TitLi[i].index = i;
TitLi[i].onmouseenter=function(){
clearInterval(timer);
console.log(this.index)
for(var j=0;j<TitLi.length;j++){
TitLi[j].className = '';
ConLi[j].style.display='none';
TitLi[this.index].className = 'select';
ConLi[this.index].style.display='block';
}
}
TitLi[i].onmouseleave=function(){
timer = setInterval(Show,1000);
}
}
var timer = null;
var num=0;
function Show(){
num++;
if(num == TitLi.length){
num = -1;
} else {
for(var j=0;j<TitLi.length;j++){
TitLi[j].className = '';
ConLi[j].style.display='none';
TitLi[num].className = 'select';
ConLi[num].style.display='block';
}
}
}
timer = setInterval(Show,1000);
</script>点击 "运行实例" 按钮查看在线实例
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