function sortByLength(strs) {
    //  After much learning and refinement...
    return strs.sort((a, b) => a.length - b.length);
        /*
        //custom sort function to compare the length of each item in the array
        function(a,b){
        if (a.length > b.length){ //if b is shorter, set its index lower
            return 1;
        }
        if (a.length < b.length){//if b is higher, set a's index lower
            return -1;
        }
        return 0; //keep them the same
    }*/
}



/**
* Test Suite 
*/
describe('sortByLength()', () => {
    it('sorts the strings from shortest to longest', () => {
        // arrange
        const strs = ["abc", "", "aaa", "a", "zz"];
        
        // act
        const result = sortByLength(strs);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toEqual(["", "a", "zz", "abc", "aaa"]);
    });
});