This is a custom build of highlight.js that include support for the languages that I'll use most often. The standard download includes support for 22 of the most popular.
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Highlight.js is a syntax highlighter written in JavaScript. It works in the browser as well as on the server. It works with pretty much any markup, doesn’t depend on any framework and has automatic language detection.
The bare minimum for using highlight.js on a web page is linking to the
library along with one of the styles and calling
initHighlightingOnLoad
:
<link rel="stylesheet" href="/path/to/styles/default.css">
<script src="/path/to/highlight.pack.js"></script>
<script>hljs.initHighlightingOnLoad();</script>
This will find and highlight code inside of <pre><code>
tags; it tries
to detect the language automatically. If automatic detection doesn’t
work for you, you can specify the language in the class
attribute:
<pre><code class="html">...</code></pre>
The list of supported language classes is available in the class
reference. Classes can also be prefixed with either language-
or
lang-
.
To disable highlighting altogether use the nohighlight
class:
<pre><code class="nohighlight">...</code></pre>
When you need a bit more control over the initialization of
highlight.js, you can use the highlightBlock
and configure
functions. This allows you to control what to highlight and when.
Here’s an equivalent way to calling initHighlightingOnLoad
using
jQuery:
$(document).ready(function() {
$('pre code').each(function(i, block) {
hljs.highlightBlock(block);
});
});
You can use any tags instead of <pre><code>
to mark up your code. If
you don't use a container that preserve line breaks you will need to
configure highlight.js to use the <br>
tag:
hljs.configure({useBR: true});
$('div.code').each(function(i, block) {
hljs.highlightBlock(block);
});
For other options refer to the documentation for configure
.
You can get highlight.js as a hosted, or custom-build, browser script or as a server module. Right out of the box the browser script supports both AMD and CommonJS, so if you wish you can use RequireJS or Browserify without having to build from source. The server module also works perfectly fine with Browserify, but there is the option to use a build specific to browsers rather than something meant for a server. Head over to the download page for all the options.
Note: the library is not supposed to work straight from the source on GitHub; it requires building. If none of the pre-packaged options work for you refer to the building documentation.
Highlight.js is released under the BSD License. See LICENSE file for details.
The official site for the library is at https://highlightjs.org/.
Further in-depth documentation for the API and other topics is at http://highlightjs.readthedocs.org/.
Authors and contributors are listed in the AUTHORS.en.txt file.