var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.splice(2,1,"Lemon","Kiwi");
输出结果:
Banana,Orange,Lemon,Kiwi,Mango
var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.splice(2,1,"Lemon","Kiwi");
输出结果:
Banana,Orange,Lemon,Kiwi,Mango