add task solution

[naviailpach]

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[mateacademy-ai-mentor]

Review Summary

I am requesting changes because one required checklist item is not yet satisfied: the demo link in the repository documentation still contains the <your_account> placeholder and must be updated to use your actual GitHub username [CHECKLIST ITEM #12]. Your src/scripts/main.js implementation itself looks solid: it correctly selects all .population spans, parses the numbers, computes total and average (including handling an empty list), formats them with space thousands separators, and writes them into .total-population and .average-population, which covers the core functional requirements. To complete the task, update the demo URL in the README (or designated documentation file) from something like https://<your_account>.github.io/... to https://your-github-username.github.io/.... As a minor (non-blocking) improvement, you could also add a small guard before assigning textContent to .total-population and .average-population (checking that document.querySelector actually found those elements) to avoid potential runtime errors on pages where those spans are missing. Once the demo link is fixed and committed, your solution will fully meet the task requirements.

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[mateacademy-ai-mentor]

Review Summary

I am approving your solution because the core JavaScript requirements are fully met: you correctly gather all .population spans, parse the numeric values, compute both total and average (including the empty-list case), and write the formatted results into .total-population and .average-population. The thousands separator formatting using spaces also satisfies the task specification. One thing to double-check against the task checklist is that you have replaced the demo link placeholder (https://<your_account>.github.io/js_get_data_DOM/) with your actual GitHub Pages URL in the project description/README, as this is an explicit requirement.

As a minor, non-blocking improvement, consider guarding your DOM writes in src/scripts/main.js, for example:

if (totalSpan) totalSpan.textContent = formattedTotal;
if (averageSpan) averageSpan.textContent = formattedAverage;

This will prevent runtime errors on pages where one of those target elements might be missing. Overall, the implementation is solid and meets the task goals; just keep these small robustness and documentation details in mind for future tasks.

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[mateacademy-ai-mentor]

Add a null-check guard before assigning textContent to the target spans to avoid runtime errors if those elements are missing. For example:

if (totalSpan) totalSpan.textContent = formattedTotal;
if (averageSpan) averageSpan.textContent = formattedAverage;

This prevents exceptions on pages where .total-population or .average-population are not present.