我找到了下面的代码,但不知道A和B之间有什么区别:
var fruits = ["Banana", "Orange", "Apple", "Mango"];
A
fruits.splice(2,0,["Lemon", "Kiwi"]);
B
fruits.splice(...[2,0].concat(["Lemon", "Kiwi"]));
var fruits = ["Banana", "Orange", "Apple", "Mango"];
var A = fruits.splice(2, 0, ["Lemon", "Kiwi"]);
var B = fruits.splice(...[2, 0].concat(["Lemon", "Kiwi"]));
console.log(A)
console.log(B)
splice
属性。 - Feras Al Sousfruits
而不是记录A
和B
,您会注意到差异。 - Barmar