Kengaytirilgan soat
Bizda soat klassi bor. Hozirda u har soniyada vaqtni bosib chiqaradi.
class Clock {
constructor({ template }) {
this.template = template;
}
render() {
let date = new Date();
let hours = date.getHours();
if (hours < 10) hours = "0" + hours;
let mins = date.getMinutes();
if (mins < 10) mins = "0" + mins;
let secs = date.getSeconds();
if (secs < 10) secs = "0" + secs;
let output = this.template
.replace("h", hours)
.replace("m", mins)
.replace("s", secs);
console.log(output);
}
stop() {
clearInterval(this.timer);
}
start() {
this.render();
this.timer = setInterval(() => this.render(), 1000);
}
}
Clock dan meros qilib yangi ExtendedClock klassini yarating va aniqlik parametrini qo’shadi – “shomlar” orasidagi ms soni. Sukut bo’yicha 1000 (1 soniya) bo’lishi kerak.
- Sizning kodingiz
Extended-clock.jsfaylida bo’lishi kerak - Asl
clock.jsni o’zgartirmang. Uni kengaytiring.
class ExtendedClock extends Clock {
constructor(options) {
super(options);
let { precision = 1000 } = options;
this.precision = precision;
}
start() {
this.render();
this.timer = setInterval(() => this.render(), this.precision);
}
}