02. English Name of the Last Digit

function solve(num) {

    let result = "";

    switch (num % 10) {
        case 1:
            result = "one";
            break;
        case 2:
            result = "two";
            break;
        case 3:
            result = "three";
            break;
        case 4:
            result = "four";
            break;
        case 5:
            result = "five";
            break;
        case 6:
            result = "six";
            break;
        case 7:
            result = "seven";
            break;
        case 8:
            result = "eight";
            break;
        case 9:
            result = "nine";
            break;
        case 0:
            result = "zero";
            break;
    }
    console.log(result);
}

Решение с масив:

function solve(num) {

    let result = ['zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine'];
    console.log(result[num % 10]);

}

Тарикатско решение:

function solve(num) {

    console.log(['zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine'][num % 10]);
}