Tobie Langel tobie

How to make faster scroll effects?

Avoid too many reflows (the browser to recalculate everything)
Use advanced CSS3 for graphic card rendering
Precalculate sizes and positions

Beware of reflows

The reflow appens as many times as there are frames per seconds. It recalculate all positions that change in order to diplay them. Basically, when you scroll you execute a function where you move things between two reflows. But there are functions that triggers reflows such as jQuery offset, scroll... So there are two things to take care about when you dynamically change objects in javascript to avoid too many reflows:

Node.js Foundation

Healthy Open Source
- explicit goal to be a lightweight process
- concrete ability to scale to hundreds of contributors
- good fundamental goals
  - transparency
  - participation
  - efficacy
- ecosystem projects encouraged but not required to adopt foundation governance templates
creation of projects under TSC explicity delegates authority from TSC to project TC

	echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc
	. ~/.bashrc
	mkdir ~/local
	mkdir ~/node-latest-install
	cd ~/node-latest-install
	curl http://nodejs.org/dist/node-latest.tar.gz \| tar xz --strip-components=1
	./configure --prefix=~/local
	make install # ok, fine, this step probably takes more than 30 seconds...
	curl https://www.npmjs.org/install.sh \| sh

	//
	// Option 1
	// This is how it's actually done.
	//

	var config = {} // the equivalent of command-line switches
	, path = require("path")

	require("npm").load(config, function (er, npm) {
	if (er) return doWhateverItIsYouDoWithErrors(er)

	/**
	* Mark and Sweep Garbage Collection technique.
	* MIT Style License
	* by Dmitry Soshnikov
	*/

	// This diff describes the simplest version of mark and sweep
	// GC in order to understand the basic idea. In real practice the
	// implementation can be much tricker and optimized.