http://mizunashi.net:80/blog/2015/06/23/1435047180000.html Exploring ES6 An in-depth book on ECMAScript 6, the new version of JavaScript. The target audience are programmers who already know JavaScript. ja kw Tue, 23 Jun 2015 08:13:00 GMT kw 2015-06-23T08:13:00Z ja kw http://mizunashi.net:80/blog/