HTMLify

/**
 * @param {Array} arr
 * @param {number} size
 * @return {Array}
 */
var chunk = function(arr, size) {
    const chunked = [];
    let chunk = [];
    for (let i = 0; i < arr.length; i++){
        chunk.push(arr[i]);
        if (chunk.length == size || i == arr.length -1){
            chunked.push(chunk);
            chunk = [];
        }
    }
    return chunked;
};