HTML allows creating a date picker out of the box! You don't need to import any other library to have a date picker. Just use 

It might look different on different browsers and OS. Internet Explorer does not support the native HTML date picker.

You might not need another library to solve your problem. If you need a date picker, choose HTML Native date picker. It is supported by all major browser

Native date picker

Not many people know that HTML allows you to have a color picker out of the box!  You don't need any extra javascript library to do this. All you need to do is to use 

It might look different on different browsers and OS.

Did you know you don't have to use an additional javascript library to add a color picker on your website? You can use native HTML input type color!

Native color picker

The proposal "Numeric Separators" allows underscores as separators in numeric literals, and it's a part of ES12.

Numeric separators allow using big numbers more transparently.

Underscore in numbers is called a numeric separator. It allows to use big numbers efficiently in javascript

Native date picker

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Numeric separator

Native color picker

Hello, I'm a frontend developer with over eight years of experience, freelancer. I'm also a mentor for junior frontend developers. I wrote a book for Junior Frontend developers called Frontend Unicorn.