Writing Fast, Memory-Efficient JavaScript
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.
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How to create giant memory leaks in AngularJS (and other client-side JavaScript)
This guide shows how to create an AngularJS application that consumes more and more memory until, eventually, the browser process crashes on your users.
Although this guide has been written for Angular 1 originally, most of the advice is relevant...
Reading and writing cookies in JavaScript
You can use JavaScript to get or set cookie values on the client.
Using the vanilla JavaScript API
In JavaScript, document.cookie is an accessor to all cookies on the current site. It looks like...
JavaScript without jQuery
This is a presentation from 2019-01-21.
Summary
- We want to move away from jQuery in future projects
- Motivations are performance, bundle size and general trends for the web platform.
- The native DOM API is much nicer than it used to be, a...
Async control flow in JavaScript: Promises, Microtasks, async/await
Slides for Henning's talk on Sep 21st 2017.
Understanding sync vs. async control flow
Talking to synchronous (or "blocking") API
print('script start')
html = get('/foo')
print(html)
print('script end'...
Unpoly: Loading large libraries on-demand
When your JavaScript bundle is so massive that you cannot load it all up front, I would recommend to load large libraries from the compilers that need it.
Compilers are also a good place to track whether the library has been loaded before. Note t...
Datejs - An open-source JavaScript Date Library
Comprehensive, yet simple, stealthy and fast. Datejs has passed all trials and is ready to strike. Datejs doesn’t just parse strings, it slices them cleanly in two.
The JavaScript Object Model: Prototypes and properties
Speaker today is Henning Koch, Head of Development at makandra.
This talk will be in German with English slides.
Introduction
As web developers we work with JavaScript every day, even when our backend code uses anothe...
JSMIN, The JavaScript Minifier
JSMin is a filter which removes comments and unnecessary whitespace from JavaScript files. It typically reduces filesize by half, resulting in faster downloads. It also encourages a more expressive programming style because it eliminates the down...
PhantomJS: Headless WebKit with JavaScript API
PhantomJS is a minimalistic headless WebKit.
It has fast and native support for various web standards:
DOM handling, CSS selector, JSON, Canvas, and SVG.
PhantomJS can be fully scripted using JavaScript. It is an optimal solution for headle...