JSFiddle - React, Tailwind, and code Playground

JavaScript

var S1 = "[ \"1\", \"2\", \"3\", \"4\", \"5\", \"6\", \"7\" ]";
var S2 = "[ \"2\" ]";
var S3 = "[ \"1\", \"2\", \"3\" ]";

var S1a =JSON.parse(S1)
var S2a=JSON.parse(S2)
var S3a = JSON.parse(S3)

console.log(S1a);
console.log(S2a);
Console.log(S3a);