var p = [ 5, 2, 3, 1, 7, 5, 6, 9, 6, 0 ]; p.sort(function down(a, b) { return (a < b) ? - 1 : 1; }); console.log(p);结果:[0, 1, 2, 3, 5, 5, 6, 6, 7, 9]
说明:-1不交换位置,1交换位置;