1 //-----------------------------------存储结构为数组--------------------------------------------
2 function Stack(){
3 this.store = [];
4 this.top = 0;
5 this.push = push;
6 this.pop = pop;
7 this.display = display;
8 this.length = length;
9
10 this.binary_10 = binary_10;
11 }
12
13 function push(ele){
14 this.store[this.top] = ele;
15 this.top++; //top指向下一个元素
16 }
17 function pop(){
18 return this.store[--this.top];
19 }
20 function peek(){
21 return this.store[this.top-1];
22 }
23 function length(){
24 return this.top;
25 }
26 function display(){
27 for(var i=this.length()-1; i>-1; i--){
28 console.log(this.store[i]);
29 }
30 }
31 function binary_10(){
32 var sum = 0;
33 var j = 0;
34 for(var i=this.top-1; i>-1; i--){
35 sum += this.store[i] * Math.pow(2,j);
36 j++;
37 }
38 return sum;
39 }
40 var stack = new Stack();
41 var num = '11001001';
42 for(var i=0; i<num.length; i++){
43 stack.push(num[i]);
44 }
45 stack.display();
46 console.log(stack.binary_10());
