code: function getValue(value) {
    var data = value,
        result = value;
  
    if (typeof data === 'string') {
      try {
        if (!data || data === 'true') {
          result = true;
        } else if (data === 'false') {
          result = false;
        } else if (data === 'null') {
          result = null;
        } else if (+data + '' === data) {
          result = +data;
        } else {
          result = rbrace.test(data) ? JSON.parse(data) : data;
        }
      } catch (error) {}
    }
    return result;
  }
docs: Inspired by jQuery. See https://github.com/jquery/jquery/blob/master/src/data.js