本文实例为大家分享了js实现轮播图效果的具体代码,供大家参考,具体内容如下
1、html部分
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< div id = "box" > < ul > < li class = "show" >< img src = "img/1.jpg" alt = "" ></ li > < li >< img src = "img/2.jpg" alt = "" ></ li > < li >< img src = "img/3.jpg" alt = "" ></ li > < li >< img src = "img/4.jpg" alt = "" ></ li > < li >< img src = "img/5.jpg" alt = "" ></ li > < li >< img src = "img/6.jpg" alt = "" ></ li > </ ul > < img src = "img/l.png" alt = "" id = "lef" > < img src = "img/r.png" alt = "" id = "rig" > < ol > < li class = "focus" data-i = "0" ></ li > < li data-i = "1" ></ li > < li data-i = "2" ></ li > < li data-i = "3" ></ li > < li data-i = "4" ></ li > < li data-i = "5" ></ li > </ ol > </ div > |
2、js部分
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<script> var liList = document.querySelectorAll( "#box ul li" ) var olList = document.querySelectorAll( "#box ol li" ) var rig = document.getElementById( "rig" ) var lef = document.getElementById( "lef" ) var index = 0 function setLi(){ for ( var i = 0;i <liList.length;i++){ liList[i].className = "" olList[i].className = "" } liList[index].className = "show" olList[index].className = "focus" } // 向右 rig.onclick = function (){ if (index !== 5){ index++ } if (index === 5){ index = 0 } setLi() } //向左 lef.onclick = function (){ if (index !== 0){ index-- } if (index === 0){ index = 5 } setLi() } //圆点 for ( var i = 0;i < olList.length;i++){ olList[i].onclick = function (){ index = this .getAttribute( "data-i" ) setLi() } } //计时 var autoPlay = setInterval( function (){ rig.click() },3000) //鼠标划上停止播放 var box = document.querySelector( "div" ) box.onmouseenter = function (){ clearInterval(autoPlay) } // 鼠标移走继续播放 box.onmouseleave = function (){ autoPlay = setInterval( function (){ rig.click() },3000) } </script> |
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/weixin_54741536/article/details/114499250