nolanlawson

Misconceptions about PouchDB

A quick rant.

1. PouchDB is slow, because it doesn't use bare-metal IndexedDB

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OK, first off I want to point out the CanIUse table for IndexedDB. Go ahead, look at it. I'll wait.

paulirish

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

IrvingArmenta

import React, { ForwardedRef, forwardRef, MouseEvent } from 'react';

type ClickableListProps<T> = {
  items: T[];
  onSelect: (
    item: T,
    event: MouseEvent<HTMLButtonElement, globalThis.MouseEvent>,
  ) => void;
};