A fairly recent take on the technique, with an accompanying TypeScript implementation: How Desmos uses Pratt Parsers - https://engineering.desmos.com/articles/

A fairly recent take on the technique, with an accompanying TypeScript implementation: How Desmos uses Pratt Parsers - https://engineering.desmos.com/articles/pratt-parser/ https://engineering.desmos.com/articles/pratt-parser/ (Dec 2018) https://github.com/desmosinc/pratt-parser-blog-code https://github.com/desmosinc/pratt-parser-blog-code At the bottom of the article, they mention a number of articles including the posted one by Doug Crockford, as well as the (excellent) article mentioned in a sibling comment, by @munificent.