“...”操作符

// 展开操作符 var fruits =['apple','balan','organize'] var number = [1,2,9]; console.log(fruits); // ['apple','balan','organize'] console.log(...fruits); // apple balan organize var hello = ['hi',...number] console.log(hello) // ["hi", 1, 2, 9] //剩余操作符 function breakfase (desert,drink,...foods){ 　　console.log(desert) // hi 　　console.log(drink) // hello 　　console.log(foods) // ["ye", "good", "nihao"] }; breakfase('hi','hello','ye','good','nihao')