The multiline mode in JavaScript expressions changes the behavior of ^ and $ to match patterns across multiple lines.
Topic: JavaScript โ Page 8
Numeric Separators in JavaScript are cross-browser-supported.
The new
showPicker()
DOM methods enables developers to open a native date picker if the input element supports it.Use the
flatMap
array method to filter and map elements in a single iteration.An impressive code golfing example from Martin Kleppe.