摘要：<script type="text/javascript">var arr=[21,2,34,22,5,7,23,63,212,324,56,6,8,32,12,34,2,334344,22,5,7,23,63,212,324,56,6,123,345,1233,56,127,84,123,13,344,324,12,5,1,6,1,7,2,123,6512,323,97,434];//数组按从大到小排序arr.sort(function(a,b){return b-a;}); //求数组中最大值，最小值// 方法一Array.prototype.max=fu 阅读全文