aaa = Promise.reject(111);
bbb = Promise.reject(222);
ccc = Promise.reject(333)
bbb.catch((o) => {
    console.log('bbb', o)
    aaa.catch((p) => console.log('aaa', p))
    return new Promise((resolve) => {
        setTimeout(() => {
            ccc.catch((q) => resolve(q))
        }, 1000)
    })
}).then((r) => {
    console.log('1 secs later...', r)
});

for (let i = 0; i < 100; i++) {
    const _ = Promise.reject(i);
    setTimeout(() => _.catch(() => {}), i * 100)
}