如何将一个数组中的元素插入另一个数组

Question

如题所述

Answer 1

代码如下:

var first = ['a','b','c'];
var second = ['1','2','3'];
var index = 1;
second.unshift(index, 0);
Array.prototype.splice.apply(first, second);

Answer 2

代码如下:

var first = ['a','b','c'];
var second = ['1','2','3'];
var index = 1;
second.unshift(index, 0);
Array.prototype.splice.apply(first, second);