js设置定时器（setInterval）并定时切换图片

 html代码

js代码

    var curIndex=0;//当前下标
    var arr=new Array();//图片数组
    arr[0]="https://i.52112.com/icon/jpg/256/20190902/56656/2524979.jpg";//图片路径
    arr[1]="https://i.52112.com/icon/jpg/256/20190902/56656/2524966.jpg";
    setInterval(function(){
    var obj=document.getElementById("image");
    if (curIndex==arr.length-1){
        curIndex=0;
    }else{
        curIndex+=1;
    }
    obj.src=arr[curIndex];
    },2000);