对象

本节练习
编写程序，实现下列需求：计算下面fruit对象共有多少个水果，应该输出50。

var fruit = {
  apple: 20,
  pear: 20,
  peach: 10
};
// write your code here...

var fruit = {
  apple: 20,
  pear: 20,
  peach: 10
};
var t = fruit.apple+fruit.pear+fruit.peach; 
console.log(t);