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Introduction for import maps, which will help you manage dependency versions and allow you to optimize for the size of JavaScript files.

Let`s assume a situation like this. You are a moderator on a social media app. You got the report that users with the nickname "Legend27" and "Bob123" do not behave well in the comment section. You just collected all suspicious comments, but the manager told you that "Legend27" is specially treated and can not get account suspension. To handle this situation you should unselect the "Legend27" value from the "users" input, and the application should clean up only values related to the unselected user, but the rest of the comments leave without modification.

Periodically few inputs are related to each other, and options values inside depend on the previous option from another select input. We could define all possible outcomes and filter out records, but this could be inefficient. Another issue is that we could not add/remove options till the new production update. To resolve this issue we can send a request for options values for the specific select input.

Forms are primary components available almost on any website. We are using them to collect information from users. Starting from a simple contact form to a complex multistep order form. Managing multistep forms can be cumbersome, especially when we add custom validation.