HTML/javascript: calculating and showing sums of filtered table

In IMMO.invent* it is necessary to filter the inventory (html table) and display the sums of a numerous filtered elements in a status bar (e.g. energy consumption, ghg emissions, floor area etc.). A function was written in javascript to perform this task. The final version of this function can be found here [1].

[1] function htmlTableColSum(), https://stackoverflow.com/q/78782501/4869421

Note: adopting the above mentioned solution is done at ones own risk.

* IMMOinvent is a web-based application to analyse the energy demand and potential greenhouse gas emissions of large municipal real-estate portfolios.