how to access chunk arrays in javascript code example

Example 1: array chunk javascript

//#Source https://bit.ly/2neWfJ2 
const chunk = (arr, size) =>
  Array.from({ length: Math.ceil(arr.length / size) }, (v, i) =>
    arr.slice(i * size, i * size + size)
  );
console.log(chunk([1, 2, 3, 4, 5], 2));

Example 2: array chunk javascript

const tips_vectorDistance = (x, y) =>
  Math.sqrt(x.reduce((acc, val, i) => acc + Math.pow(val - y[i], 2), 0));
console.log(tips_vectorDistance([15, 0, 5], [30, 0, 20]));