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早上参加小孩的一年级入学前,看看相关的东东啦。。
function Stack() { var items = []; this.push = function(element){ items.push(element); } this.pop = function(){ return items.pop(); } this.peek = function() { return items[items.length -1]; } this.isEmpty = function() { return items.length == 0; } this.size = function() { return items.length; } this.clear = function(){ items = []; } this.print = function() { console.log(items.toString()); }}var stack = new Stack();console.log(stack.isEmpty());stack.push(5);stack.push(8);console.log(stack.peek());stack.push(11);console.log(stack.size());console.log(stack.isEmpty());stack.push(15);stack.pop();stack.pop();console.log(stack.size());stack.print();
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