function extractEachKth(nums, index) {
    //  write code here.
    // console.log(nums);
    // console.log(index);
    const arrayCompare = [];
    const arrayAnswer = [];
    let total = 0;
    let answer;
    
    const numberDivide = index /  nums.length * 10;
        // console.log(numberDivide);  
    
    for(let i = 0; i < numberDivide; i++) {
        arrayCompare.push(total + numberDivide);
        total += numberDivide;
    }
    // console.log(`arrayCompare ${arrayCompare}`);
    
    for(let i = 0; i < nums.length; i++) {
        
        let checkForNumbers =  arrayCompare.includes(nums[i]);
            // console.log(checkForNumbers);
        if(checkForNumbers === false) {
            arrayAnswer.push(nums[i]);
        }   
    }
    
    console.log(arrayAnswer);
    return arrayAnswer;
}

/**
* Test Suite 
*/
describe('extractEachKth()', () => {
    it('returns largest positive integer possible for digit count', () => {
        // arrange
        const nums = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
        const index = 3;
        
        // act
        const result = extractEachKth(nums, index);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toEqual([1, 2, 4, 5, 7, 8, 10]);
    });
});