Question

How to convert int array to int number in Node.js

Answer 1

function IntArrayToIntNumber(arr) {
	const size = arr.length;
	let n = 0;

	for (let i = 0; i < size; i++) {
		n = n * 10 + arr[i];
	}

	return n;
}

const arr = [4, 6, 3, 0, 9, 1, 2];

console.log(IntArrayToIntNumber(arr));




/*
run:

4630912

*/

 

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