Why call here are the classes/ID?

Moderators, tweak RV

All Shalom! Tell me please, why you call here are the classes/ID?

Examples: _2sTOw, _1qNwV

Here are the classes/IDs you can find in google, web.whatsapp.com can they generate themselves? Also want to impose, but I don't know how to spell these words
April 7th 20 at 11:09
1 answer
April 7th 20 at 11:11
Solution
This is not written by hand. It is the job of the collector, which analyzes the entire layout (and HTML and CSS), compares the styles and selectors, and somehow it's all change for maximum performance on the client. Read about collectors, why do they need how to work with them and so on
But can you please give a link to the article "Read about collectors, why do they need how to work with them and so on," just can't even think how to write in Google to read - carey.Gusikowski commented on April 7th 20 at 11:14
@carey.Gusikowski, https://webpack.js.org a response may specify a solution - Luella.Reiche commented on April 7th 20 at 11:17
@Luella.Reiche, Thank you! Response decision pointed out :) - carey.Gusikowski commented on April 7th 20 at 11:20
@carey.Gusikowski, or https://rollupjs.org/
or even a lot of any - Mervin.Smith commented on April 7th 20 at 11:23

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