Download as PDF, PPTX































































































This document discusses JavaScript best practices and techniques. It covers topics like event handling, DOM manipulation, performance optimization, and progressive enhancement. Some of the key points made include: - Separate JavaScript code from HTML using script-based event handlers for readability and maintenance instead of inline handlers. - Consider event delegation and inline handlers only if script-based handlers cause responsiveness issues. - Use DOM or innerHTML methods for manipulating the DOM, favoring DOM for precision and innerHTML for bulk updates. - Combine and minify JavaScript files, use compression to reduce file size, and make scripts cacheable for better performance. - Support non-JavaScript users through progressive enhancement - build applications with