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index.js
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index.js
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const durationInput = document.querySelector("#duration");
const startButton = document.querySelector("#start");
const stopButton = document.querySelector("#stop");
const circle = document.querySelector('circle');
const perimeter = circle.getAttribute('r') * 2 * Math.PI;
// console.log(perimeter)
circle.setAttribute('stroke-dasharray', perimeter)
let inputValue = durationInput.value;
let currentOffset;
let duration;
const callbacks = {
onStart(totalDuration) {
// console.log("time started")
duration = totalDuration;
},
onTick(timeRemaining) {
// console.log("timer just ticked");
currentOffset = (perimeter * timeRemaining) / duration - perimeter;
circle.setAttribute('stroke-dashoffset', currentOffset)
},
onComplete() {
// console.log("time is completed");
}
}
const timer = new Timer(durationInput, startButton, stopButton, callbacks);