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回答

<script>
//在数组指定位置插入
var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.splice(2, 0, "Lemon", "Kiwi");
//输出结果
//Banana, Orange, Lemon, Kiwi, Apple, Mango
</script>


高手回复

我知道答案,我要回答