function domainType(domains) {
    let array = []
    let arrayOfTypes = []
    
    for(let i=0; i< domains.length; i++){
    array.push(domains[i].split('.'))
    }
    
    for(let i=0; i< array.length; i++){
      if(array[i].includes("org")) arrayOfTypes.push("organization")
      else if(array[i].includes("com")) arrayOfTypes.push("commercial")
      else if(array[i].includes("net")) arrayOfTypes.push("network")
      else if(array[i].includes("info")) arrayOfTypes.push("information")
    }
    
    return arrayOfTypes
}



/**
* Test Suite 
*/
describe('domainType()', () => {
    it('returns list of domain types', () => {
        // arrange
        const domains = ["en.wiki.org", "codefights.com", "happy.net", "code.info"];
        
        // act
        const result = domainType(domains);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toEqual(["organization", "commercial", "network", "information"]);
    });
});