JSFiddle - React, Tailwind, and code Playground

JavaScript

function func1() {
    throw "I don't return anything";
}

function func2() {
    return 123;
}

function func3() {
    throw "I don't return anything";
}

function testAll() {
    try { return func1(); } catch(e) {}
    try { return func2(); } catch(e) {}
    try { return func3(); } catch(e) {}
}

var res = testAll();
window.alert(res);