objects

May 07 2025

Start using Object.hasOwn()

Yuval Aloni

Above - screenshot from MDN’s Object.hasOwn() documentation. If you so far waited to make the switch because of “lack of wide support”:Since April 2025 - even the Android native browser and Android Firefox support it by now (and there has been wide support for all major browsers since 2022)....

javascript object objects hasownproperty hasown

Feb 22 2013

Optimizing your code with slots

Fred C (W6BSD)

Python like many other dynamic programming languages can be extended. Objects and definitions can be modified at runtime. This gives the developer great power but this power comes at a price. During the execution two instances of the same object can have different properties. This is why python...

python objects

objects

Start using Object.hasOwn()

Optimizing your code with __slots__

Optimizing your code with slots