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I previously asked this question and got berated

NodeJS/C++ addons - Passing an array from node to C++.

However I made it very clear in the question that I want to pass this array from NodeJS to C++ via a C++.

One of the answers was to use JSON, is there any other way to do this?

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  • What exactly are you trying to accomplish? Why do you need both C++ and Nodejs in the first place? Otherwise, "just write your array to a file" would be a general, correct, and very useless answer, but it's impossible to suggest more without knowing context. Commented Apr 30, 2021 at 18:38

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Please checkout this example

passing array to c++

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If you have the Local<Array> array, you can simply loop thru it and add all the values to a C++ vector using the Length() method that returns the length and the [] operator that returns an element on an index. That is probably the fastest way to do it. Using JSON will result in performance drops.

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