阅读:14080 次 编辑日期:2014-01-13
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; } var arr = ["a","b","c","d"]; alert(randArray(arr));