Non-blocking Asynchronous JSON.parse Using The Fetch API

Update (June 2016) Right after I published this blog post I received this response from amazing Node.js developer Vladimir Kurchatkin that JSON parsing is not happening in a different thread and in fact it is blocking the main thread. In this tweet I admited I was wrong and I need to update my post. @j5bot I need to update that post. It's not really in a background thread. It's doing the process i

[sentas]

なるへそーーーー！

[otchy210]

こういう時すぐ、setTimeout(function(){}, 1) とか考えちゃうのはオールドタイプだからなのか、そうなのか。

[teppeis]

(new Response(string)).json()

[Jxck]

fetch のResponse で JSON を非同期パースか。その発想は無かった。

[efcl]

Fetch APIで提供されてるResponseオブジェクトを使い`(new Response(string)).json()`を非同期JSON.parseとして利用する方法について