如何从数组字符串中提取内部字符串

问题描述:

我有以下字符串,其中包含一个数组,其中包含一个字符串:

I have the following string, containing an array, containing a string:

   '["sgrdalal21"]'

如何提取内部字符串?

'["sgrdalal21"]'作为字符串,

As '["sgrdalal21"]' as string, JSON.parse() can be used to construct the JavaScript value or object.

var obj = JSON.parse('["sgrdalal21"]');
var str = obj[0]; //Use index to access the element