はじめに jQueryに不慣れな方向けにアンチパターンを紹介する記事です。 親の要素を取得するparentはメソッドチェーンが可能で親の親の要素を取得できます。 その感覚で親の親の親の親の…とやってしまいがちですが、今すぐやめましょう。 アンチパターン <!DOCTYPE html> <html lang="ja"> <head> <meta charset="UTF-8"> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script> </head> <body> <div data='div1' class='div1'> div1 <div data='div2' class='div2'> div2 <div data='d
![parent連打やめろ - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/7bdf1444467e61b3be5f18d25adb38fc94245ebc/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-412672c5f0600ab9a64263b751f1bc81.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTk3MiZoPTM3OCZ0eHQ9cGFyZW50JUU5JTgwJUEzJUU2JTg5JTkzJUUzJTgyJTg0JUUzJTgyJTgxJUUzJTgyJThEJnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnR4dC1jb2xvcj0lMjMyMTIxMjEmdHh0LWZvbnQ9SGlyYWdpbm8lMjBTYW5zJTIwVzYmdHh0LXNpemU9NTYmcz0zMDViOTc4MjkxYThhNjczNDViMDRiZDJiMTBkZjdiZQ%26mark-x%3D142%26mark-y%3D57%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZoPTc2Jnc9NzcwJnR4dD0lNDB5YW1hbW90b19oaXJveWEmdHh0LWNvbG9yPSUyMzIxMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT0zNiZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZzPTFmYWFmYWZkZDlhNjRjNjc0Y2Y0ZDYyNTA0MWI1YzNl%26blend-x%3D142%26blend-y%3D436%26blend-mode%3Dnormal%26txt64%3DaW4gTkXmoKrlvI_kvJrnpL4%26txt-width%3D770%26txt-clip%3Dend%252Cellipsis%26txt-color%3D%2523212121%26txt-font%3DHiragino%2520Sans%2520W6%26txt-size%3D36%26txt-x%3D156%26txt-y%3D536%26s%3Dbc7f486c57dc84ed67210417563fa520)