function test() {
    let a = 1;
    try {
        a = 2;

    } catch (e) {
        return 3
    }
    return a;
}


class A {
    t() {
        let a = 1;
        try {
            a = 2;

        } catch (e) {
            return 3
        }
        return a;

    }
}