Wolfram wants peace<p>Learning about [Symbol.toPrimitive] while writing tests for Object.groupBy(). I had no idea that this was introduced with <a href="https://mastodontech.de/tags/ES6" class="mention hashtag" rel="tag">#<span>ES6</span></a> already.<br />Somehow it feels that writing nice useful objects with <a href="https://mastodontech.de/tags/JavaScript" class="mention hashtag" rel="tag">#<span>JavaScript</span></a>'s standard library is quite feasible.</p><p>I am preparing for <a href="https://mastodontech.de/tags/ctwebdev" class="mention hashtag" rel="tag">#<span>ctwebdev</span></a> ... cu in Cologne?</p><p><a href="https://mastodontech.de/tags/conference" class="mention hashtag" rel="tag">#<span>conference</span></a> <a href="https://mastodontech.de/tags/JavaScript" class="mention hashtag" rel="tag">#<span>JavaScript</span></a> <a href="https://mastodontech.de/tags/TDD" class="mention hashtag" rel="tag">#<span>TDD</span></a> <a href="https://mastodontech.de/tags/readTheSpec" class="mention hashtag" rel="tag">#<span>readTheSpec</span></a></p>