JavaScript tips that stick
Language and browser tricks for apps that feel snappy.
Selecting text with JavaScript
Use JSLint to help debug!
auto scroll x without scroll
4 Simple Steps to Secure Your Express Node Application
Functional Javascript
Composition in Javascript
JS Books
Multiple inputs acting like one
Read the jQuery source like a book
Prototypes. Way cooler than the games.
Experimenting with canvas, math and simple animations
backbone.js and coderwall API
Parse query strings in javascript
AngularJS and jQuery
Echo a Basic Redux Option
Logr.js dynamic console logging replacement
Angular Newable Factory
NPM giving you a hard time?
Days between two dates
Local Storage Module
CSS3 Generator
Ensure a function is only executed one time on an element
Test-Driven Web Development with Python
Clear form fields on focus
Simple Javascript game with inputs from user
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.