658266 - [Harmony]Proxy: 'this' in getter/setter doesn't indicate the proxy object DirectProxyになる前に上げたバグ*1なのでちょっとコードが古いけど、回答が付いて気付かされた。 Proxy通過時の this の問題 var obj, handler, proxyObj; obj = { _name: "HOGE", getName: function () { console.log("getName()", "this is obj:", this === obj, "this is proxyObj:", this === proxyObj); return this._name; }, get name() { console.log("get name", "this is obj:",