拆分变量

如何访问网络版？

let temp = 2 * (height + width);
console.log(temp);
temp = height * width;
console.log(temp);

const perimeter = 2 * (height + width);
console.log(perimeter);
const area = height * width;
console.log(area);

别名 移除参数赋值，拆分临时变量