Native JS written and compatible with IE6, 7, and 8 browsers for seamless automatic carousel (with button switching)-JS Tutorial-php.cn

Native JS written and compatible with IE6, 7, and 8 browsers for seamless automatic carousel (with button switching)

青灯夜游

Release： 2018-10-11 17:36:44

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This article introduces native JS writing to be compatible with IE6, 7, and 8 browsers for seamless automatic carousel (with button switching). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

The project requirements page is compatible with IE6, 7, 8 and other browsers. We may encounter this carousel effect. The carousel section requires: infinite loop, automatic carousel and Manual switching function, each time scrolling a small grid, there are many such plug-ins on the Internet, such as: swiper, etc.!

But many of them are incompatible with low-level browsers such as IE6, 7, and 8. I have no choice but to write a similar carousel plug-in myself

Without further ado, let’s go directly to the code :

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
        <script type="text/javascript" src="js/jquery-1.8.3-20180801.min.js"></script>
        <style>
            *{margin: 0;padding: 0;}
            div{position: relative;width: 1000px;overflow: hidden;height: 100px;line-height:100px;}
            ul{position: absolute;list-style: none;overflow: hidden;}
            li{float: left;width: 200px;height: 100px;text-align:center;color:#fff;}
            a{position: absolute;color:#fff;margin:0 10px;font-size:30px;text-decoration:none;}
        </style>
    </head>
    <body>
        <div>
            <ul>
                <li style="background: red;">1</li>
                <li style="background: yellow;">2</li>
                <li style="background: blue;">3</li>
                <li style="background: black;">4</li>
                <li style="background: green;">5</li>
                <li style="background: orange;">6</li>
                <li style="background: skyblue;">7</li>
                <li style="background: blue;">8</li>
                <li style="background: green;">9</li>
                <li style="background: orange;">10</li>
                <li style="background: skyblue;">11</li>
            </ul>
            <a href="javascript:void(0)" class="prev" style="left:0px;">←</a>
            <a href="javascript:void(0)" class="next" style="right:0px;">→</a>
        </div>    
    </body>
    <script type="text/javascript">
        var fli = $("ul li").clone(true);
        var oul = $("ul");
        oul.append(fli);
        oul.width($("ul li").eq(0).width()*$("ul li").length);
        var inow = 0;
        var timer = null;
        
        $("div").mouseover(function(){
            clearInterval(timer);
        })
        $("div").mouseout(function(){
            autoplay();
        })
        
        $(".next").click(function(){
            if(inow == $("ul li").length/2){
                oul.css("left","0px");
                inow = 1;
            }else{
                inow++;
            }
            var leng = -inow*$("ul li").eq(0).width()+"px"; 
            oul.animate({"left":leng});
        })
        $(".prev").click(function(){
            if(inow == 0){
                var ml = -$("ul li").eq(0).width()*($("ul li").length/2)+"px";
                oul.css("left",ml);
                inow = $("ul li").length/2-1;
            }else{
                inow--;
            }
            var leng = -inow*$("ul li").eq(0).width()+"px";
            oul.animate({"left":leng});
        })
        function autoplay(){
                timer = setInterval(function(){
                if(inow == $("ul li").length/2){
                    oul.css("left","0px");
                    inow = 1;
                }else{
                    inow++;
                }
                console.log(inow);
                var leng = -inow*$("ul li").eq(0).width()+"px";
                oul.animate({"left":leng});
            },2000);
        }
        autoplay();
    </script>
</html>

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