移动端网页纯原生js选项卡tab切换-蒲公英云

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="maximum-scale=1.0,minimum-scale=1.0,user-scalable=0,width=device-width,initial-scale=1.0"/>
<title>适合移动网页纯原生js选项卡tab切换</title>
<style>
    *{ margin: 0; padding: 0}
    ul,li{ list-style: none}
    .tabClick{ background: #f3f3f3; overflow: hidden}
    .tabClick li{ height:40px; line-height: 40px; width: 25%; float: left; text-align: center}
    .tabClick li.active{ color: #099; transition: 0.1s; font-weight: bold}
    .tabCon{ overflow: hidden}
    .tabBox{ position: relative}
    .tabList{word-break: break-all; width:100%;float:left; line-height:100px; text-align:center; color:#D3D3D3; font-size:36px; font-family: "Arial Black"}
    .lineBorder{ height: 2px; overflow: hidden; border-bottom:1px solid #099; background: #f3f3f3}
    .lineDiv{ background: #099; height: 2px; width: 25%;}
</style>
<body>
<!-- 代码部分begin -->
<div class="wrap" id="wrap">
    <ul class="tabClick">
        <li class="active">Tab1</li>
        <li>Tab2</li>
        <li>Tab3</li>
        <li>Tab4</li>
    </ul>
    <div class="lineBorder">
        <div class="lineDiv"><!--移动的div--></div>
    </div>
    <div class="tabCon">
        <div class="tabBox">
            <div class="tabList">
            1</div>
            <div class="tabList">
            2</div>
            <div class="tabList">
            3</div>
            <div class="tabList">
            4</div>
        </div>
    </div>
</div>
<script charset="utf-8">
    window.onload = function (){
        var windowWidth = document.body.clientWidth; //window 宽度;
        var wrap = document.getElementById('wrap');
        var tabClick = wrap.querySelectorAll('.tabClick')[0];
        var tabLi = tabClick.getElementsByTagName('li');
        var tabBox =  wrap.querySelectorAll('.tabBox')[0];
        var tabList = tabBox.querySelectorAll('.tabList');
        var lineBorder = wrap.querySelectorAll('.lineBorder')[0];
        var lineDiv = lineBorder.querySelectorAll('.lineDiv')[0];
        var tar = 0;
        var endX = 0;
        var dist = 0;
        tabBox.style.overflow='hidden';
        tabBox.style.position='relative';
        tabBox.style.width=windowWidth*tabList.length+"px";
        for(var i = 0 ;i<tabLi.length; i++ ){
              tabList[i].style.width=windowWidth+"px";
              tabList[i].style.float='left';
              tabList[i].style.float='left';
              tabList[i].style.padding='0';
              tabList[i].style.margin='0';
              tabList[i].style.verticalAlign='top';
              tabList[i].style.display='table-cell';
        }
        for(var i = 0 ;i<tabLi.length; i++ ){
            tabLi[i].start = i;
            tabLi[i].onclick = function(){
                var star = this.start;
                for(var i = 0 ;i<tabLi.length; i++ ){
                    tabLi[i].className='';
                };
                tabLi[star].className='active';
                init.lineAnme(lineDiv,windowWidth/tabLi.length*star)
                init.translate(tabBox,windowWidth,star);
                endX= -star*windowWidth;
            }
        }
        function OnTab(star){
            if(star<0){
                star=0;
            }else if(star>=tabLi.length){
                star=tabLi.length-1
            }
            for(var i = 0 ;i<tabLi.length; i++ ){
                tabLi[i].className='';
            };
             tabLi[star].className='active';
            init.translate(tabBox,windowWidth,star);
            endX= -star*windowWidth;
        };
        tabBox.addEventListener('touchstart',chstart,false);
        tabBox.addEventListener('touchmove',chmove,false);
        tabBox.addEventListener('touchend',chend,false);
        //按下
        function chstart(ev){
            ev.preventDefault;
            var touch = ev.touches[0];
            tar=touch.pageX;
            tabBox.style.webkitTransition='all 0s ease-in-out';
            tabBox.style.transition='all 0s ease-in-out';
        };
        //滑动
        function chmove(ev){
            var stars = wrap.querySelector('.active').start;
            ev.preventDefault;
            var touch = ev.touches[0];
            var distance = touch.pageX-tar;
            dist = distance;
            init.touchs(tabBox,windowWidth,tar,distance,endX);
            init.lineAnme(lineDiv,-dist/tabLi.length-endX/4);
        };
        //离开
        function chend(ev){
            var str= tabBox.style.transform;
            var strs = JSON.stringify(str.split(",",1));  
            endX = Number(strs.substr(14,strs.length-18)); 
            if(endX>0){
                init.back(tabBox,windowWidth,tar,0,0,0.3);
                endX=0
            }else if(endX<-windowWidth*tabList.length+windowWidth){
                endX=-windowWidth*tabList.length+windowWidth
                init.back(tabBox,windowWidth,tar,0,endX,0.3);
            }else if(dist<-windowWidth/3){
                 OnTab(tabClick.querySelector('.active').start+1);
                 init.back(tabBox,windowWidth,tar,0,endX,0.3);
            }else if(dist>windowWidth/3){
                 OnTab(tabClick.querySelector('.active').start-1);
            }else{
                 OnTab(tabClick.querySelector('.active').start);
            }
            var stars = wrap.querySelector('.active').start;
            init.lineAnme(lineDiv,stars*windowWidth/4);
        };
    };
    var init={
        translate:function(obj,windowWidth,star){
            obj.style.webkitTransform='translate3d('+-star*windowWidth+'px,0,0)';
            obj.style.transform='translate3d('+-star*windowWidth+',0,0)px';
            obj.style.webkitTransition='all 0.3s ease-in-out';
            obj.style.transition='all 0.3s ease-in-out';
        },
        touchs:function(obj,windowWidth,tar,distance,endX){
            obj.style.webkitTransform='translate3d('+(distance+endX)+'px,0,0)';
            obj.style.transform='translate3d('+(distance+endX)+',0,0)px';
        },
        lineAnme:function(obj,stance){
            obj.style.webkitTransform='translate3d('+stance+'px,0,0)';
            obj.style.transform='translate3d('+stance+'px,0,0)';
            obj.style.webkitTransition='all 0.1s ease-in-out';
            obj.style.transition='all 0.1s ease-in-out';
        },
        back:function(obj,windowWidth,tar,distance,endX,time){
            obj.style.webkitTransform='translate3d('+(distance+endX)+'px,0,0)';
            obj.style.transform='translate3d('+(distance+endX)+',0,0)px';
            obj.style.webkitTransition='all '+time+'s ease-in-out';
            obj.style.transition='all '+time+'s ease-in-out';
        },
    }
</script>
<!-- 代码部分end -->
</body>
</html>