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Synthetic Event trong React là gì và khác gì Event thuần của trình duyệt? · ORA·tech

Trung bình Pro#react#events#synthetic-event

Synthetic Event trong React là gì và khác gì Event thuần của trình duyệt?

15 tháng 2, 2026

Tóm tắt nhanh

SyntheticEvent là lớp bọc chuẩn hóa (cross-browser wrapper) của React quanh event gốc của trình duyệt, hoạt động dựa trên cơ chế Event Delegation tại root node để tối ưu hiệu năng. Khác với DOM thuần, React event dùng cú pháp camelCase, truyền function reference và bắt buộc dùng `e.preventDefault()` để chặn hành vi mặc định.

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