javascript prototype µÄ¼òµ¥Ó÷¨

1 /* 2 function Box() { 3 this.a = []; 4 this.fn = function() {} 5 } 6 7 var box1 = new Box(); 8 var box2 = new Box(); 9 box1.a.push(1); 10 box1.a.pus