JS: about Event

What is Event?

- The Event interface represents an event which takes place in the DOM.

- An event can be triggered by the user action or can also be triggered programmatically.

- Event itself contains the properties and methods which are common to all events.

- 이벤트는 이벤트 대상, 이벤트 종류, 이벤트가 발생했을 때 실행되는 함수, 이 3가지로 구성

 

Constructor

Event()

 

How to add 

1. HTML tag - inline: add the function to the tag property.

2. HTML tag - property listener: create a function directly with event parameter.

3. JS - addEventListener method

 

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https://developer.mozilla.org/en-US/docs/Web/API/Event

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