例子:
 
let dessert = 'cake',
drink = 'tea'

  

如果想把dessert和drink连成一句话

 

方法一:字符串拼接
let breakfast = "今天的早餐是" + dessert + "与" + drink + "!";
console.log(breakfast); //今天的早餐是cake与tea!

 

方法二:ES6字符模版
let breakfast = `今天的早餐是${dessert}与${drink}!`;
console.log(breakfast); //今天的早餐是cake与tea!

 

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