Youtube cumulated attention on a video

gistfile1.txt

var viewsNb = Number(document.querySelector('.view-count').textContent.split(' ')[0].split(',').join(''));
var videoDuration = document.querySelector('video').getDuration();
var cumulatedAttentionInSeconds = viewsNb * videoDuration;
var cumulatedAttentionInMinutes = cumulatedAttentionInSeconds / 60;
var cumulatedAttentionInHours = cumulatedAttentionInMinutes / 60;
var cumulatedAttentionInDays = cumulatedAttentionInHours / 24;
var cumulatedAttentionInWeeks = cumulatedAttentionInDays / 7;
var cumulatedAttentionInMonths = cumulatedAttentionInWeeks / 4;
var cumulatedAttentionInYears = cumulatedAttentionInMonths / 12;
var cumulatedAttentionInDecades = cumulatedAttentionInYears / 12;
var cumulatedAttentionInCenturies = cumulatedAttentionInDecades / 12; // Lean on, Gangnam Style etc ...

var cumulatedAttention = document.createElement('span');
cumulatedAttention.setAttribute('class','cumulatedAttention');
cumulatedAttention.style.fontSize = 'large'

document.querySelector('.ytd-video-primary-info-renderer').appendChild(cumulatedAttention);
if (
  Math.round(cumulatedAttentionInCenturies) > 0
) {
  cumulatedAttention.textContent = `${Math.round(cumulatedAttentionInCenturies)} centuries 👁`;
}
else if (
  Math.round(cumulatedAttentionInDecades) > 0
) {
  cumulatedAttention.textContent = `${Math.round(cumulatedAttentionInDecades)} decades 👁`;
}
else if (
  Math.round(cumulatedAttentionInYears) > 0
) {
  cumulatedAttention.textContent = `${Math.round(cumulatedAttentionInYears)} years 👁`;
}
else if (
  Math.round(cumulatedAttentionInMonths) > 0
) {
  cumulatedAttention.textContent = `${Math.round(cumulatedAttentionInMonths)} Months 👁`;
}
else if (
  Math.round(cumulatedAttentionInMonths) > 0
) {
  cumulatedAttention.textContent = `${Math.round(cumulatedAttentionInMonths)} Months 👁`;
}
else if (
  Math.round(cumulatedAttentionInWeeks) > 0
) {
  cumulatedAttention.textContent = `${Math.round(cumulatedAttentionInWeeks)} Weeks 👁`;
}
else if (
  Math.round(cumulatedAttentionInDays) > 0
) {
  cumulatedAttention.textContent = `${Math.round(cumulatedAttentionInDays)} Days 👁`;
}
else if (
  Math.round(cumulatedAttentionInHours) > 0
) {
  cumulatedAttention.textContent = `${Math.round(cumulatedAttentionInHours)} Hours 👁`;
}
else if (
  Math.round(cumulatedAttentionInMinutes) > 0
) {
  cumulatedAttention.textContent = `${Math.round(cumulatedAttentionInMinutes)} Minutes 👁`;
}
else {
  cumulatedAttention.textContent = `Nobody cares about this video 👁`;
}