function domainType(domains) {
    //  write code here.
    let c = []
    for(let i=0; i< domains.length; i++){
        let b=domains[i].split(".").slice(-1)[0]
        if(b === "org"){
            c.push("organization")
        }
        else if (b === "com"){
            c.push("commercial")
        }
        else if (b === "net"){
            c.push("network")
        }
        else if (b === "info"){
            c.push("information")
        }
        
    }
    
    return c
}



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