javascript - 添加多维数组

Question

我有几个数组数组...例如

var a = [[45, "question1", "answer1"], [22, "question2", "answer2"]];
var b = [[55, "question3", "answer3"], [12, "question4", "answer4"]];

每个数组都来自不同的页面

然后我想把它们推到一起得到

var c = [[45, "question1", "answer1"], [22, "question2", "answer2"], [55, "question3", "answer3"], [12, "question4", "answer4"]];

我是这样做的

var c = a;

c.push(b);

当我尝试对此进行排序时，结果完全错误，这告诉我推送做了类似的事情

var c = [[45, "question1", "answer1"], [22, "question2", "answer2"]], [[55, "question3", "answer3"], [12, "question4", "answer4"]];

有人可以帮忙，或者指出我的答案吗？我需要能够在所有连接数组中对数组的第一个元素进行排序。

Answer 1

您正在寻找.concat()，而不是.push()。

试试：

var c = a.concat(b);