Reading up on John Resig

jQuery, launched in 2006, democratized web development with a cross-browser API but has waned as modern frameworks and native browser APIs replace it, though it still runs on 66% of websites.

jQuery 4.0.0 final release is the first major version in nearly a decade, dropping IE<11 support and adding Trusted Types and CSP support.

jQuery 4.0.0 final release drops IE<11 support, removes deprecated APIs, adopts ES modules, adds Trusted Types support, and reduces size by over 3KB gzipped.