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null không phải object nhưng JS lại bảo có
typeof null === "object" → true 😤 Nhưng null rõ ràng KHÔNG phải object! Đây là một bug từ năm 1995 — ngay từ ngày đầu JavaScript ra đời. Và họ không fix vì... sợ vỡ cả internet 😂 #javascript #lậptrình #frontend #webdev #codetips
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