Jens Oliver Meiert • 7/22/2026

Syntax Highlighting: No Extra HTML for Code Blocks via Custom Highlights API and syntaxp

This article discusses modern syntax highlighting for code blocks using the Custom Highlight API, focusing on syntaxp—a lightweight script that eliminates the need for extra HTML typically injected by libraries like Prism or highlight.js. It explains how to implement syntaxp by self-hosting and linking the script, with support for conventional language classes and optional auto-detection via data-autodetect. The post highlights the minimalist approach and provides examples of its use on personal websites. It is a technical guide aimed at developers seeking efficient, standards-based code styling.

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#JavaScript #Syntax Highlighting #Code Blocks