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feat: calculate average and total value-based to parsed numbers #2244

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feat: calculate average and total value-based to parsed numbers #2244

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26 changes: 25 additions & 1 deletion src/scripts/main.js
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Original file line number Diff line number Diff line change
@@ -1,3 +1,27 @@
'use strict';

// write your code here
const elementList = document.querySelectorAll('.list .population');

let count = 0;

const total = [...elementList].reduce((acc, item) => {
const text = item.textContent.replace(/,/g, '');
const num = Number(text);

if (Number.isNaN(num)) {
return acc;
}
count++;

return acc + num;
}, 0);
const average = total / (count || 1);

const formattedTotal = total.toLocaleString('en-US');
const formattedAverage = Math.round(average).toLocaleString('en-US');

const totalElement = document.querySelector('.total-population');
const averageElement = document.querySelector('.average-population');

totalElement.innerHTML = formattedTotal;
averageElement.innerHTML = formattedAverage;
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