Loads highlight.js and clipboard.js on single pages in WordPress for syntax highlighting with a 1-click copy to clipboard button.

Live Example.

From 768px and below, it will always appear.

Included Theme:

• GitHub Dark Dimmed

Included Languages:

• HTML, XML
• CSS
• PHP
• JavaScript
• JSON
• Markdown
• Plain text
• SCSS

1. Click on the Download ZIP button at the right to download the plugin.

2. Upload the entire wp-highlightjs folder to the /wp-content/plugins/ directory.

3. Activate the plugin through the Plugins menu in WordPress.

In WordPress' Gutenberg editor, type / to begin typing code and hit return when you see a match.

Paste your code.

If using Oxygen, wrap your code in a code element and that in a pre element having a class of wp-block-code.

Ensure that there are no spaces between the HTML tags.

Screenshot.

• Made the script to load on all singular pages, not just posts.
• Fixed JS error with the forEach loop in the initilization script.
• Updated highlight.js and clipboard.js libraries to their latest versions.
• Removed the call to Google for the Source Code Pro font. It is now included in the plugin.
• Replaced the syntax highlighting theme with "GitHub Dark Dimmed".
• Replaced wp_localize_script() with wp_add_inline_script() for passing the copy icon's URL from PHP to JS.

• Updated deprecated HLJS Function. Thanks to Taylor.

• Updated highlight.js and clipboard.js libraries to their latest versions.
• Removed "word-wrap: break-word" block for body element in CSS.
• Set the plugin to load only on singular posts and not all singular pages.

• Updated highlight.js and clipboard.js libraries to their latest versions.
• Misc. CSS fixes.

• Updated highlight.js and clipboard.js libraries to their latest versions.
• Updated init js file to fix errors in the console.
• Plugin name is not hardcoded any more in the init js file.
• Replaced Github color theme with Gruvbox Dark.

• Initial Release

Tested up to: 5.8

License: GPLv2 or later

License URI: http://www.gnu.org/licenses/gpl-2.0.html

Donate link: https://www.paypal.me/sridharkatakam