How JavaScript flattens nested arrays

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Flattening nested array

Array has a method called Array.flat, which requires a parameter representing depth to flatten the nested array (the default is 1). But if you don't know what to do with depth, you just need to take Infinity as a parameter. There is also a useful flatMap method.

Const arrays = [[10], 50, [100,100, [2000, 3000, [40000]; arrays.flat (Infinity); / / [10,50,100,2000, 3000, 40000] are all the contents of the article "how JavaScript flattens nested arrays". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!