var srr = new Array("图片一", "图片二", "图片三", "图片四");//利用JS中内置的数组,进行数据的存储 var s = 0; function chage() { var img = document.getElementById("img1"); if (s <srr.length-1 ) { s++; } else { s = 0; } img.setAttribute("src", srr[s]); } function diaoyong() { setInterval(chage, 1000); }