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MDN contributors

Technical writer

Community members who write and edit content for MDN Web Docs. The contributors are a global group of volunteers and professionals who collaborate to create and maintain comprehensive documentation for web development technologies.

ProgrammingHow to Optimize JavaScript Widgets: State, Events & Performance

Learn best practices for optimizing JavaScript widgets: state management, event delegation, DOM manipulation, and animations to improve performance and reduce file size.

6 answers• 1 view
Mobile DevResolving CORS Issues in Ionic-Odoo Integration

Learn how to resolve CORS issues when integrating Ionic applications with Odoo SaaS. Explore server-side options, client-side solutions, and proxy approaches for seamless API communication.

3 answers• 1 view
ProgrammingEfficient DOM List Updates in JavaScript

Learn how to update DOM lists in JavaScript without recreating the entire list. Discover efficient techniques using DocumentFragment for better performance.

4 answers• 4 views
WebJavaScript Button Not Displaying: Fix Document Body Null Issue

Learn why your JavaScript button isn't showing on your HTML page and how to fix document body null issues with proper script execution timing.

4 answers• 4 views
WebObject Spread vs Object.assign: Pros & Cons for Merging Options

Compare object spread operator `{ ...defaults, ...options }` vs Object.assign for merging default options in JavaScript. Explore immutability, performance, browser support, and best use cases for clean, efficient object merging.

5 answers• 3 views
ProgrammingJavaScript Object Destructuring: Syntax and Purpose

Learn how JavaScript object destructuring works with examples like `const { x } = y` and `const { index, axis, value } = event.detail`. Discover syntax, purpose, and advanced techniques.

5 answers• 4 views
WebjQuery AJAX File Upload with FormData to PHP Guide

Learn how to upload files using jQuery.ajax() and FormData with multipart/form-data to PHP. Fix empty $_POST issues, add progress bars, and ensure Safari 5+ compatibility for seamless file uploads.

6 answers• 4 views