gitbook-plugin-gbook-codetab/codetab/codetab.js

thanks for [gitbook-plugin-prism-codetab-fox](https://www.npmjs.com/package/gitbook-plugin-prism-codetab-fox)

require([
    'jquery'
], function($) {
    $(document).on('click.plugin.codetabs', '.codetabs .codetabs-header .tab', function(e) {
        var $btn = $(e.target);
        var $tabs = $btn.parents('.codetabs');
        var tabId = $btn.data('codetab');

        $tabs.find('.tab').removeClass('active');
        $tabs.find('.tab[data-codetab="' + tabId + '"]').addClass('active');
    });
});