Looking to adjust the positions of elements in array a based on their locations in array b.
const a = [4,3,2,1,5];
const b = [1,2,3,4,5];
console.log(a) [1,2,3,4,5]
Looking to adjust the positions of elements in array a based on their locations in array b.
const a = [4,3,2,1,5];
const b = [1,2,3,4,5];
console.log(a) [1,2,3,4,5]
If you're looking to sort array a based on the elements in array b, you can achieve this using the following code:
a.forEach((element, i) => {
// Find the index of a[i] in array b
const index = b.indexOf(a[i])
// Swap the elements
const temp = a[index];
a[index] = a[i];
a[i] = temp;
})
To achieve sorting, one can utilize the second array as an index. In case this approach fails with actual data, it is recommended to include a small set of data to pinpoint the issue.
const
x = [4, 3, 2, 1, 5],
y = [1, 2, 3, 4, 5];
x.sort((left, right) => y[left - 1] - y[right - 1]);
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