function randArray(data) { //获取数组长度 var arrlen = data.length; //创建数组 存放下标数 var try1 = new Array(); for (var i = 0; i < arrlen; i++) { try1[i] = i; } //创建数组 生成随机下标数 var try2 = new Array(); for (var i = 0; i < arrlen; i++) { try2[i] = try1.splice(Math.floor(Math.random() * try1.length), 1); } //创建数组,生成对应随机下标数的数组 var try3 = new Array(); for (var i = 0; i < arrlen; i++) { try3[i] = data[try2[i]]; } return try3; }