どうも、やる事たくさんで暇しない、とだです。もっと遊びたい。 前回の投稿の最後に「gem 'ancestry'による多階層データを用いて、選択肢を動的に変化させる機能をJavaScript（jQuery）とAjax(非同期通信)を用いて実装する」話を投稿すると言いましたが、内容が ...

$('input').keyup(function(e) { if (e.keyCode == 13) { // Do something when enter is pressed } }); // Do something when enter is pressed - This part of the code will ...

**快捷键()**是 jQuery 中的一个内置方法，用于在用户从键盘上释放一个键时触发快捷键事件。因此，使用 keyup()方法 ...

.keyup() method is used to bind an event handler with the keyup javascript event. Suppose we have an input field and we want to invoke an alert box for each key we press. Then, the event handler ...

We can add or remove a class to an element very easily by using addClass() and removeClass() methods. To do this on keyup event of a textbox we just need call these functions when we bind keyup event ...

27 January, 2012. It was a Friday. A few days ago I pushed some changes to the form validation up to my WatchMeCode website. I was trying to fix a scenario where a browser cache would have some of the ...