proxy default traps

gistfile1.js

var s = {
  foo: 'bar'
};

for (prop in s) {
  console.log(prop + '=' + s[prop]);
}
// foo=bar as expected

var proxy = Proxy.create({
  get: function(rcvr, name) {
    return s[name];
  }
});

console.log('foo=' + proxy.foo);
// foo=bar as expected

console.log('baz=' + proxy.baz);
// baz=undefined as expected

try {
  for (prop in proxy) {
    console.log(prop + '=' + proxy[prop]);
  }
}
catch (ex) {
  console.log(ex);
}
// "TypeError: enumerate is not a function", as expected


var proxy2 = Proxy.create({
  get: function(rcvr, name) {
    return s[name];
  }
}, Object.getPrototypeOf(s));

for (prop in proxy2) {
  console.log(prop + '=' + proxy2[prop]);
}
// Still an error