封装的栈操作方法:
https://www.cnblogs.com/LIXI-/p/16612874.html
var sweetBox = new Stack();sweetBox.push('red');sweetBox.push('yellow');sweetBox.push('red');sweetBox.push('yellow');sweetBox.push('white');sweetBox.push('yellow');sweetBox.push('white');sweetBox.push('yellow');sweetBox.push('white');sweetBox.push('red');function CandyBox(sweetBox){// 创建一个放不是黄色盒子的栈let BufferBox = new Stack();// 当糖果盒不为空时,while(!sweetBox.isEmpty()){if(stack.peek() !="yellow"){BufferBox.push(sweetBox.pop())}else{sweetBox.pop()}}while(!BufferBox.isEmpty()){sweetBox.push(BufferBox.pop())}return sweetBox}console.log(CandyBox(sweetBox));
打印: