function avoidObstacles(nums) {
    nums.sort((a, b) => a - b);
    let smallest = 2;
    function DoesItPass(value) {
        if(value % smallest != 0) {
            return true;
        }
    }
    
    while(!(nums.every(DoesItPass))) {
        smallest++;
    }
    
    
    return smallest;
}



/**
* Test Suite 
*/
describe('avoidObstacles()', () => {
    it('returns minimal number of jumps in between numbers', () => {
        // arrange
        const nums = [5, 3, 6, 7, 9];
        
        // act
        const result = avoidObstacles(nums);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toBe(4);
    });
});