chart.cjs	
CommonJS	
Node.js module format	
require() in Node.js


chart.js	
ES Module	
Modern JavaScript module	
import with a bundler (Webpack, Vite, Rollup)

chart.umd.js	
UMD (Universal)	Works everywhere	
`<script>` tag in browser (readable)

`<script src="https://cdn.jsdelivr.net/npm/chart.js@4.5.1/dist/chart.umd.min.js"></script>`