const waitFor = (ms) => new Promise(r => setTimeout(r, ms));

start = async () => {
  try {
    console.log("start");
    c = 1;
    while(c < 10){
      await waitFor(2000)
      console.log('waiting!');
      if(c === 3){
        console.log('errrorr!!')
        throw new Error('dasdas');
      }
      c++
    }
    console.log('end');
  } catch (error) {
    console.log('catched!!!');
  }

}

start();