
이벤트 리스너, 이벤트 위임
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과거
property event GlobalEventHandlers.onclick - Web APIs | MDN The onclick property of the GlobalEventHandlers mixin is the event handler for processing click events on a given element. developer.mozilla.org Web api event listener EventTarget.addEventListener() - Web APIs | MDN The EventTarget method addEventListener() sets up a function that will be called whenever the specified event is delivered..