Using Promise get a countdown utility function.

countdown.js

let remain = 60;
const ct = Promise.resolve();

const countdown = (ct) => (Promise.all([new Promise(resolve => {
  setTimeout(() => {
    remain--;
    this.setState({
      getCapchacodeRemainTime: remain
    });
    resolve(remain);
    if (remain > 0) {
      ct.then(countdown(ct));
    } else {
      this.setState({
        getCapchacodeSuccess: false,
        getCapchacodeRemainTime: 0
      });
    }
  }, 1000);
})]));

countdown(ct);