eller https://blog.hatena.ne.jp/eller/ Kengo's blog https://blog.kengo-toda.jp/ javascript RequireJS Do you still use argument to give information for other components? It's the most simple way, but sometimes it's too long to read. We can use other approach like named parameter, chain and deferred. Named parameter function foo(param) { alert(param && param.bar || ''); } foo({ bar: 'hello, world' })… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.kengo-toda.jp%2Fentry%2F2012%2F07%2F10%2F235546" title="How to improve interface for JavaScript - Kengo&#39;s blog" 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 2012-07-10 23:55:46 rich https://blog.kengo-toda.jp/entry/2012/07/10/235546 1.0 100%