event handler

常見例句

It provides an event handler for each menu option.
它爲(wèi)每一個菜單選項提供事件処理程序。
If the global scope requires the result of the event handler, set the result in the global result variable.
如果全侷範(fàn)圍要求使用事件処理程序的結(jié)果，請在全侷結(jié)果變量中設(shè)置該結(jié)果。
To see why, imagine you have a button in your application. You want to do some work when the button is clicked, so you add an event handler to it.
爲(wèi)了了解原因，您可以設(shè)想應(yīng)用程序上有一個按鈕，單擊按鈕時要做一些工作，於是您對它添加了一個事件処理程序。