Prints all sub array of an array - Bruteforce

sub-array.js

/**
 * Creates all the sub arrays of a give array
 * @params {Array} arr
 * @returns {Array}  
 */
function getSubArray(arr){
    let arrLen = arr.length;
    let result = [];
    for(let subLen = degree; subLen <= arrLen; subLen++){
        for(let begin = 0; begin+subLen <=arrLen; begin++){
                result.push(arr.slice(begin,begin+subLen));
            }
        }
    return result;
}