You don't know the classNames library

• classnames

  94 17,349 8.3 JavaScript

  A simple javascript utility for conditionally joining classNames together

This tiny open-source library, originally created by JedWatson, is nothing but a versatile string “concatenator.” Currently sitting at over 6M weekly downloads, it rose to popularity alongside React - the UI library that it’s most commonly used with.

• clsx

  17 7,330 6.4 JavaScript

  A tiny (239B) utility for constructing `className` strings conditionally.

Now, as a free tip to at least 2x the performance of the thousands of classNames calls you probably make, just switch to clsx. It’s a similar library to classNames, but a bit more fresh-y, and with even fewer LOCs.

• SurveyJS

  surveyjs.io sponsored

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

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