查找阵列中的子阵列 [英] Finding Sub-array within Array

问题描述

我有阵

array = [[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12], [13, 14, 15, 16]];

和我想找到的子数组的索引

and I want to find the index of the sub array

[1, 2, 3, 4]

因此​​，它应该返回值为0结果
但每次我尝试这样做时，会返回-1

So it should return the value 0
but every time I try to do this, it returns -1

下面是我尝试：

array.indexOf(1, 2, 3, 4);

我知道这是因为子阵我正在寻找有逗号吧。结果
我怎样才能解决这个问题。

I know this is because the subarray i am searching for has commas in it.
how can i fix this

推荐答案

下面是一个快速和肮脏的解决方案，它的数组作为字符串比较：

Here is a quick and dirty solution which compares the arrays as strings:

var array = [[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12], [13, 14, 15, 16]];

var target = [9, 10, 11, 12].toString();
for(var i=0; i<array.length; i++) {
   if(target === array[i].toString()) break;
}

if(i >= array.length) {
    console.log("not found");
} else {
    console.log("found at index " + i);
}

http://jsfiddle.net/jMfwQ/

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