紸啶呮媞璐濄

1         function num(a,b){
2             //
3             return a;
4         }

1 unction people(a,b){
2             this.a = a;
3             this.b = b;
4         }
5         var man = new people(k,k);

1         function k(a,b){
2             var k=a;
3             return function tt(){
4                 k++;
5             }
6         }
7         var d = k(1,2);
8         d();
9         d();//實(shí)現(xiàn)累加