highlight.js

Syntax highlighting for the Web

mergesort([],[]). % special case
mergesort([A],[A]).
mergesort([A,B|R],S) :-
   split([A,B|R],L1,L2),
   mergesort(L1,S1),
   mergesort(L2,S2),
   merge(S1,S2,S).

split([],[],[]).
split([A],[A],[]).
split([A,B|R],[A|Ra],[B|Rb]) :-  split(R,Ra,Rb).

• 185 languages and 89 styles
• automatic language detection
• multi-language code highlighting
• available for node.js
• works with any markup
• compatible with any js framework

Usage

Contribute

News

1. 2018-10-16

   Version 9.13.1

   Improvements:

   • C# function declarations no longer include trailing whitespace, by JeremyTCD
   • Added new and missing keywords to AngelScript, by Melissa Geels
   • TypeScript decorator factories highlighting fix, by Antoine Boisier-Michaud
   • Added support for multiline strings to Swift, by Alejandro Isaza
   • Fixed issue that was causing some minifiers to fail.
   • Fixed autoDetection to accept language aliases.
2. 2018-10-12

   Version 9.13.0

   New languages:

   • ArcGIS Arcade by John Foster
   • AngelScript by Melissa Geels
   • GML by meseta
   • isbl built-in language DIRECTUM and Conterra by Dmitriy Tarasov.
   • PostgreSQL SQL dialect and PL/pgSQL language by Egor Rogov.
   • ReasonML by Gidi Meir Morris
   • SAS by Mauricio Caceres Bravo
   • Plaintext by Egor Rogov
   • .properties by bostko and Egor Rogov

   New styles:

   • a11y-dark theme by Eric Bailey
   • a11y-light theme by Eric Bailey
   • An Old Hope by Gustavo Costa
   • Atom One Dark Reasonable by Gidi Meir Morris
   • isbl editor dark by Dmitriy Tarasov
   • isbl editor light by Dmitriy Tarasov
   • Lightfair by Tristian Kelly
   • Nord by Arctic Ice Studio
   • 🦄 Shades of Purple by Ahmad Awais

   Improvements:

   • New attribute endSameAsBegin for nested constructs with variable names by Egor Rogov.
   • Python highlighting of escaped quotes fixed by Harmon
   • PHP: Added alias for php7, by Vijaya Chandran Mani
   • C++ string handling, by David Benjamin
   • Swift Add @objcMembers to @attributes, by Berk Çebi
   • Infrastructural changes by Marcos Cáceres
   • Fixed metachars highighting for NSIS by Jan T. Sott
   • Yaml highlight local tags as types by Léo Lam
   • Improved highlighting for Elixir by Piotr Kaminski
   • New attribute disableAutodetect for preventing autodetection by Egor Rogov
   • Matlab: transpose operators and double quote strings, by JohnC32 and Egor Rogov
   • Various documentation typos and improvemets by Jimmy Wärting, Lutz Büch, bcleland
   • Cmake updated with new keywords and commands by Deniz Bahadir
3. 2017-05-30

   Version 9.12.0

   New language:

   • MikroTik RouterOS Scripting language by Ivan Dementev.

   New style:

   • VisualStudio 2015 Dark by Nicolas LLOBERA

   Improvements:

   • Crystal updated with new keywords and syntaxes by Tsuyusato Kitsune.
   • Julia updated to the modern definitions by Alex Arslan.
   • julia-repl added by Morten Piibeleht.
   • Stanislav Belov wrote a new definition for 1C, replacing the one that has not been updated for more than 8 years. The new version supports syntax for versions 7.7 and 8.
   • Nicolas LLOBERA improved C# definition fixing edge cases with function titles detection and added highlighting of [Attributes].
   • nnnik provided a few correctness fixes for Autohotkey.
   • Martin Clausen made annotation collections in Clojure to look consistently with other kinds.
   • Alejandro Alonso updated Swift keywords.
4. 2017-04-19

   Version 9.11.0

   New languages:

   • Shell by Tsuyusato Kitsune
   • jboss-cli by Raphaël Parrëe

   Improvements:

   • Joël Porquet has greatly improved the definition of makefile.
   • C++ class titles are now highlighted as in other languages with classes.
   • Jordi Petit added rarely used or, and and not keywords to C++.
   • Pieter Vantorre fixed highlighting of negative floating point values.
5. 2017-03-07

   Version 9.10.0

   Apologies for missing the previous release cycle. Some thing just can't be automated… Anyway, we're back!

   New languages:

   • Hy by Sergey Sobko
   • Leaf by Hale Chan
   • N1QL by Andres Täht and Rene Saarsoo

   Improvements:

   • Rust got updated with new keywords by Kasper Andersen and then significantly modernized even more by Eduard-Mihai Burtescu (yes, @eddyb, Rust core team member!)
   • Python updated with f-literals by Philipp A.
   • YAML updated with unquoted strings support.
   • Gauss updated with new keywords by Matt Evans.
   • Lua updated with new keywords by Joe Blow.
   • Kotlin updated with new keywords by Philipp Hauer.
   • TypeScript got highlighting of function params and updated keywords by Ike Ku.
   • Scheme now correctly handles `-quoted lists thanks to Guannan Wei.
   • Sam Wu fixed handling of << in C++ defines.
6. 2016-12-13

   Version 9.9.0

   New languages

   • LLVM by Michael Rodler

   Improvements:

   • TypeScript updated with annotations and param lists inside constructors, by Raphael Parree.
   • CoffeeScript updated with new keywords and fixed to recognize JavaScript in ```, thanks to thanks to Geoffrey Booth.
   • Compiler directives in Delphi are now correctly highlighted as "meta".
7. 2016-11-01

   Version 9.8.0 "New York"

   This version is the second one that deserved a name. Because I'm in New York, and the release isn't missing the deadline only because it's still Tuesday on West Coast.

   New languages:

   • Clean by Camil Staps
   • Flix by Magnus Madsen

   Improvements:

   • Kenton Hamaluik did a comprehensive update for Haxe.
   • New commands for PowerShell from Nicolas Le Gall.
   • Jan T. Sott updated NSIS.
   • Java and Swift support unicode characters in identifiers thanks to Alexander Lichter.
8. 2016-09-20

   Version 9.7.0

   A comprehensive bugfix release. This is one of the best things about highlight.js: even boring things keep getting better (even if slow).

   • VHDL updated with PSL keywords and uses more consistent styling.
   • Nested C-style comments no longer break highlighting in many languages.
   • JavaScript updated with => functions, highlighted object attributes and parsing within template string substitution blocks (${...}).
   • Fixed another corner case with self-closing <tag/> in JSX.
   • Added HEALTHCHECK directive in Docker.
   • Delphi updated with new Free Pascal keywords.
   • Fixed digit separator parsing in C++.
   • C# updated with new keywords and fixed to allow multiple identifiers within generics <...>.
   • Fixed another slow regex in Less.
9. 2016-08-16

   *** 10 years! ***

   Highlight.js turned 10 years a few days ago! Thanks for being with us :-)

10. 2016-08-09

    Version 9.6.0

    New languages:

    • ABNF and EBNF by Alex McKibben
    • Awk by Matthew Daly
    • SubUnit by Sergey Bronnikov

    New styles:

    • Atom One in both Dark and Light variants by Daniel Gamage

    Plus, a few smaller updates for Lasso, Elixir, C++ and SQL.