JavaScript事件监听器的功能

Today in this story we will see about the functions of Event Listener in JavaScript. The addEventListener() method is used to setup called function when an specified event happens. So we will discuss briefly how to implement addEventListener() method in your code.

今天，在这个故事中，我们将了解JavaScript中事件监听器的功能。 当发生指定事件时， addEventListener()方法用于设置调用的函数。 因此，我们将简要讨论如何在您的代码中实现addEventListener()方法。

事件和事件处理程序的功能 (Functions of Event and Event handlers)

Events are nothing but it is an action which manipulates the page in the browser when the user performs any operations in it. They plays a vital role because they cause elements of webpa