JavaScript compares objects by reference, not by content. Even if two arrays look identical, they live in different memory locations. The Map sees them as different keys. Here are three ways to solve ...
𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 𝗢𝗯𝗷𝗲𝗰𝘁𝘀: 𝗕𝗮𝘀𝗶𝗰𝘀 𝘁𝗼 𝗖𝗥𝗨𝗗 JavaScript objects group related data and functions together. Instead of using separate variables, you use key-value pairs. Think of an ...
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