摘要：var arr=[1,2,3,5,10,4,2,19,2,0]; alert(arr);//[1,2,3,5,10,4,2,19,2,0] arr.sort(function (a, b) {//升序 return a-b; }); alert(arr);//[0,1,2,2,3,4,5,10,19 阅读全文