JavaScript tips that stick
Language and browser tricks for apps that feel snappy.
JavaScript sandbox with Web Workers
"tail -f *" in node.js
Run JavaScript code directly from Sublime
OwlCarousel2 fix when resizing the carousel or browser
Global scope variable assigning and access for coffeescript in rails
Using dynamically resized-images from Google+
AngularJS Mediator Pattern
jqGrid: Making a row a link
Get id of a checkbox
State Management in Angular using NGXS
Form Validation in JavaScript
Batch import into Parse.com with cURL
Debug JavaScript in JSFiddle, Codepen, etc
Spell - Peter Norvig's Spell Checker for JavaScript
document.location.pathname not the same in all browsers
Prototypes can't talk to local variables in the constructor
Modernizr css VALUE test.
Merge multiple Javascript objects into one object with object merge
The real picture tag polyfill: picturePolyfill 2
Starting with Backbone LayoutManager
Prevent node-mysql connection closed error
Install Intent plugin in Phonegap 3.0
Testing almost any code in browser
Handlebars Helper for Pluralizing Words
Encoding JSON in href using encodeURI, Rails parsing
JavaScript on a page runs with the privileges of that origin. One altered library, tag manager, or snippet can read inputs, change what people see, and call your APIs as the user.
Security insights from Cside
Coderwall Dev Community
Explore the all-time favorite tutorials, design patterns and engineering guides that thousands of readers keep sharing and coming back to, year after year.
These proven techniques, reusable code samples, programming tips and vibe coding habits earned their place through steady views and member likes.
Each entry here is still useful today, covering programming languages, frameworks and workflows that stay relevant long after they were first published.
Whether you're new to a tech stack or an experienced engineer refreshing your skills, start with the most useful tips our dev community members recommend and build on solid, well-tested coding knowledge.