takuya_1st https://blog.hatena.ne.jp/takuya_1st/ それマグで！ https://takuya-1st.hatenablog.jp/ javascript eval しなくてもいい感じ Function.call(this, "return "+ v )(); javascript の深淵に触れた気がする var a = {name:"takuya",say:function(){console.log(this.name)}} //=>{ a: 'takuya', say: [Function] } var b = a.say.toString() //=>'function (){console.log(this.a)}' var c = Function.call(null,"return "+b)() c.call(a) //=>taku… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakuya-1st.hatenablog.jp%2Fentry%2F2016%2F06%2F07%2F024300" title="JavaScriptで文字列化したfunction を実行する - それマグで！" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2016-06-07 02:43:00 rich https://takuya-1st.hatenablog.jp/entry/2016/06/07/024300 1.0 100%