CodePen Embed - Timer en JavaScript

    <div id="timer"></div>

html {
  display: flex;
  flex: 1;
  justify-content: center;
  align-items: center;
  height: 100%;
}

#timer {
  font-weight: bold;
  font-size: 4em;
}

const departMinutes = 5
let temps = departMinutes * 60

const timerElement = document.getElementById("timer")

setInterval(() => {
  let minutes = parseInt(temps / 60, 10)
  let secondes = parseInt(temps % 60, 10)

  minutes = minutes < 10 ? "0" + minutes : minutes
  secondes = secondes < 10 ? "0" + secondes : secondes

  timerElement.innerText = `${minutes}:${secondes}`
  temps = temps <= 0 ? 0 : temps - 1
}, 1000)

This Pen is owned by Thomas Collart on CodePen.

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