How to create windowed slice of array in JavaScript?

Question

I\'m looking for an array method implementation named Array.window(n) that invoked on an array with parameter n, would give a contiguous overlappin

Answer 1

Here you go with a slightly shorter example using array functions:

let a = [1, 2, 3, 4, 5, 6];
function windowedSlice(arr, size) {
  let result = [];
  arr.some((el, i) => {
    if (i + size >= arr.length) return true;
    result.push(arr.slice(i, i + size));
  });
  return result;
}
console.log(windowedSlice(a, 2));
console.log(windowedSlice(a, 3));
console.log(windowedSlice(a, 4));
console.log(windowedSlice(a, 5));