Assaf Krintza

Conf42: JavaScript 2021

React is Killing your Performance and it's Your Fault

React is a great tool for writing dynamic single page applications in a declarative way. But, in order to enjoy the benefits of the declarative programming style of React, under the hood a tree comparison algorithm known as the Reconciliation Algorithm runs on each state or prop update. While the algorithm is very performant and effective, it does have performance impact, and sometimes stepping...