html/lab4/task5/script.js - master - Coderdev/web-static-labs

html/lab4/task5/script.js

43 строки927 B

Coderdev

12 май 2026, 12:37

12 май 2026, 12:37d8ecd0f

let startTime=0
let elapsedTime=0
let timerInterval=null

const display=document.getElementById('display')

function formatTime(time){
    let ms=time%1000
    let totalSeconds=Math.floor(time/1000)

    let seconds=totalSeconds%60
    let minutes=Math.floor(totalSeconds/60)%60
    let hours=Math.floor(totalSeconds/3600)

    return(
        String(hours).padStart(2,"0")+":"+
        String(minutes).padStart(2,"0")+":"+
        String(seconds).padStart(2,"0")+":"+
        String(ms).padStart(3,"0")+":"
    )
}

function updateTimer(){
    elapsedTime=Date.now()-startTime
    display.textContent=formatTime(elapsedTime)
}

function startTimer(){
    if(timerInterval)return

    startTime=Date.now()-elapsedTime
    timerInterval=setInterval(updateTimer,10)
}

function stopTimer(){
    clearInterval(timerInterval)
    timerInterval=null
}

function nullTimer(){
    stopTimer()
    display.textContent='00:00:00:000'
}