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 𝗘𝘅𝗽𝗹𝗮𝗶𝗻𝗲𝗱 JavaScript objects store data in key-value pairs. Each pair is a property. A property holds different types of data: - Strings - Numbers - Arrays ...
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