Why do we have to pass a unique key when using the map method in JSX? When not provided, it still works but shows a warning in the console.
𝗚𝗼𝗶𝗻𝗴 𝗳𝗼𝗿𝘄𝗮𝗿𝗱, 𝗪𝗵𝘆 𝘄𝗲 𝘀𝗵𝗼𝘂𝗹𝗱 𝗻𝗼𝘁 𝘂𝘀𝗲 𝘁𝗵𝗲 𝗮𝗿𝗿𝗮𝘆 𝗶𝗻𝗱𝗲𝘅 𝗮𝘀 𝗮 𝗸𝗲𝘆?
Share your reasoning in the comments
submitted by /u/varunfullstackdev
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