<div class="progressbar">
  <div class="progress-fill" id="fill">
  </div>
</div>
.progressbar {
  height: 8px;
  width: 300px;
  background-color: #e9ecef;
  border-radius: 4px;
  overflow: hidden;
}
.progress-fill {
  height: 8px;
  background-color: #007bff;
  border-radius: 4px;
  transition: transform 500ms linear;
}
const fillElem = document.getElementById("fill");

let value = 0;
const updateProgress = () => {
  value = (value + 10) % 110;
  fillElem.style = `transform: translateX(${value - 100}%)`
}

setInterval(updateProgress, 500)

External CSS

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External JavaScript

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