var arr = [ {name:'zopp',age:0}, {name:'gpp',age:18}, {name:'yjj',age:8} ]; function compare(用于判断的属性名){ return function(a,b){ var value1 = a[用于判断的属性名]; var value2 = b[
1、sql 语法 select m, nfrom (select row_number () over (partition by m order by n desc) rn,--以m分组,分组内以n倒序排列求每组中各自的序号m, nfrom tablewhere ...) wwhere w.rn <=10;序号小于10order by m, n desc 2、案例获取每个月前十大