javascript subdivide array code example

Example 1: split array into chunks javascript

Array.prototype.chunk = function(size) {
    let result = [];
    
    while(this.length) {
        result.push(this.splice(0, size));
    }
        
    return result;
}

const arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];
console.log(arr.chunk(2));

Example 2: chunk an array

function __chunk(array, size) {
  let chunkArray = [];
  return function _chunk(chunk = array) {
    if (chunk.length < size) {
      return chunkArray.push(chunk) && chunkArray;
    }
    return chunkArray.push(chunk.slice(0, size)) && _chunk(chunk.slice(size));
  };
}