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@davidfowl
davidfowl / MinimalAPIs.md
Last active September 25, 2025 20:44
Minimal APIs at a glance
@joshuabradley012
joshuabradley012 / Object collisions with canvas
Last active June 3, 2025 18:30
An example of 2D collisions using JavaScript Canvas
class State {
constructor(display, actors) {
this.display = display;
this.actors = actors;
}
update(time) {
/**
* provide an update ID to let actors update other actors only once
@paulirish
paulirish / what-forces-layout.md
Last active October 24, 2025 12:40
What forces layout/reflow. The comprehensive list.

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
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.SqlClient;
using System.Reflection.Emit;
using System.Collections.Concurrent;
using System.Data;
using System.Reflection;