🔥 There are 449 Hot Tips!!

JavaScript Maps are super underrated.

Keys of a map can be anything - including an object!

Here I'm using the new groupBy proposed API to group array items into a Map or an Object →

The JavaScript dev dives into a hardware project

Are we gonna have the IE6 all over again?

If my math is correct, there are more Server JS runtimes than browser JS runtimes!

Good idea, or no?

Did you know TypeScript <Generics> don't always need to be explicitly set?

You can infer their types by the type of data being passed! Super powerful approach when writing library or util code.

The $10 LED tinkerer project:

I got my $5 ESP32 turning off a $4 set of WS2813 LEDs with a $1 PIR sensor

Inspired after having Nick Hehr on the Podcast, where he goes in depth about his projects and even how to get JavaScript running on the microcontroller.

CSS is getting margin-trim!

Remove margins from children that touch the sides of a parent. No more selecting :last-child

Stop typing twice!

Here is how to collected multiple named exports and import them under a single JavaScript variable in ESM

CSS logical properties specifies width/height/padding/border/etc using inline + block instead of top + bottom.

But where is that actually useful?

Here is a good example I just ran into with writing-mode: vertical-rl;;