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+---
+title: CustomEvent.detail
+slug: Web/API/CustomEvent/detail
+tags:
+  - Property
+  - Reference
+  - Read-only
+browser-compat: api.CustomEvent.detail
+translation_of: Web/API/CustomEvent/detail
+---
+{{APIRef("DOM")}}
+
+{{domxref("CustomEvent")}} 인터페이스의 **`detail`** 읽기 전용 속성은 이벤트를 초기화할 때 제공한 데이터를 반환합니다.
+
+## 값
+
+이벤트를 초기화할 때 제공한 아무 데이터.
+
+## 예제
+
+```js
+// CustomEvent 생성
+const catFound = new CustomEvent('animalfound', {
+  detail: {
+    name: 'cat'
+  }
+});
+const dogFound = new CustomEvent('animalfound', {
+  detail: {
+    name: 'dog'
+  }
+});
+
+// 적합한 이벤트 수신기 부착
+obj.addEventListener('animalfound', (e) => console.log(e.detail.name));
+
+// 이벤트 발송
+obj.dispatchEvent(catFound);
+obj.dispatchEvent(dogFound);
+
+// 콘솔에 "cat"과 "dog"가 기록됨
+```
+
+## 명세
+
+{{Specifications}}
+
+## 브라우저 호환성
+
+{{Compat}}
+
+## 같이 보기
+
+- {{domxref("CustomEvent")}}