摘要: var arr1 = ['a', 'b', 'c']; var arr2 = ['1', '2', '3']; // 把arr2 变成一个适合splice的数组(包含splice前2个参数的数组) arr2.unshift(2, 0); console.log(arr2); //[2, 0, "1", "2", "3"] Array.prototype.splice.apply(arr1... 阅读全文
posted @ 2018-11-20 10:08 blogging 阅读(4327) 评论(0) 推荐(0) 编辑