FPG-Alan

function mySlowFunction(baseNumber) {
	console.time('mySlowFunction');
	let result = 0;	
	for (var i = Math.pow(baseNumber, 7); i >= 0; i--) {		
		result += Math.atan(i) * Math.tan(i);
	};
	console.timeEnd('mySlowFunction');
}

mySlowFunction(8); // higher number => more iterations => slower

FPG-Alan

Features

🔥 Blazing fast builds
😇 CommonJS bundle
🌲 .mjs bundle
✨ .d.ts bundle + type-checking
🧐 Source maps

Install

FPG-Alan

import { fabric } from "fabric";
import { ILineOptions } from "fabric/fabric-impl";



  /**
 * Should objects be aligned by a bounding box?
 * [Bug] Scaled objects sometimes can not be aligned by edges
 *
 */

FPG-Alan

Memory Management and Performance

JavaScript engines such as Google’s V8 (Chrome, Node) are specifically designed for the fast execution of large JavaScript applications. As you develop, if you care about memory usage and performance, you should be aware of some of what’s going on in your user’s browser’s JavaScript engine behind the scenes.

Continue reading Writing Fast, Memory-Efficient JavaScript, great general overview of a Google employee

Videos

• Faster HTML and CSS: Layout Engine Internals for Web Developers: by David Baron of Mozilla
• Google I/O 2012 - Breaking the JavaScript Speed Limit with V8