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Created December 7, 2019 08:44
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mounted() {
this.progressStartMarker = document.querySelector<HTMLElement>('#progress-marker-start')
this.progressEndMarker = document.querySelector<HTMLElement>('#progress-marker-end')
if (!this.progressStartMarker || !this.progressEndMarker) {
throw Error('Progress markers not found')
window.addEventListener('scroll', () => {
this.getScrollPercentage(this.progressStartMarker!, this.progressEndMarker!)
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