function domainType(domains) {
    //  write code here.
    let domResult = [];
    
    for (let i = 0; i < domains.length; i++) {
        let address = domains[i].split(".");
        switch(address[address.length-1]) {
            case "org": domResult.push("organization");
            break;
            case "com": domResult.push("commercial");
            break;
            case "net": domResult.push("network");
            break;
            case "info": domResult.push("information");
            break;
            default: domResult.push("other");
        }
    }
    return domResult;
}



/**
* 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"]);
    });
});