Function.prototype.myBind = function(context, ...rest1) {
  if (context === null || context === undefined) {
    return (...rest2) => this(...rest1, ...rest2);
  }

  let fnContext;

  switch (typeof context) {
    case 'number':
      fnContext = new Number(context);
    case 'string':
      fnContext = new String(context);
    case 'boolean':
      fnContext = new Boolean(context);
    default:
      fnContext = context
  }

  return (...rest2) => {
    const name = window.myBindID ? window.myBindID : 1;
    window.myBindID = name + 1;
    fnContext[name] = this;
    const result = fnContext[name](...rest1, ...rest2);
    delete fnContext[name];
    return result;
  };
};