JS code example for custom JSON parser for parsing string if you exactly don't know that string in "like json" format.

custom JSON.parse function for parsing variable in any type without error

var Parse = function(string) {
  try {
      var object = JSON.parse(string);
  
      if(typeof(object) == 'object' || typeof(object) == 'array')
          return object; // return converted object
      if(typeof(object) == 'number')
          return string; // return number string
  
  } catch (err) {
      if(err.constructor == SyntaxError && typeof(string) == 'string') {
          return string; // return string as it is
      }
  }
};
  
var str = '222kkk'; // can be like 'kkk', ['kkk'], "{\"kkk\":111}", 222
console.log(Parse(str));