MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */
$(document).ready(function() {
    $('.mw-highlight').each(function() {
        var $this = $(this);
        // Create button
        var $button = $('<button class="copy-button">Copy</button>');
        $button.css({
            'position': 'absolute',
            'top': '5px',
            'right': '5px',
            'font-size': '0.8em',
            'cursor': 'pointer'
        });
        
        // Add button to container
        $this.css('position', 'relative').append($button);
        
        // Copy function
        $button.click(function() {
            var text = $this.find('pre').text();
            navigator.clipboard.writeText(text).then(function() {
                $button.text('Copied!');
                setTimeout(function() { $button.text('Copy'); }, 2000);
            });
        });
    });
});