//Author page document.querySelectorAll('.cp-bio-toggle').forEach(function(btn) { btn.addEventListener('click', function() { var expanded = this.getAttribute('aria-expanded') === 'true'; var target = document.getElementById(this.getAttribute('aria-controls')); this.setAttribute('aria-expanded', String(!expanded)); target.hidden = expanded; this.textContent = expanded ? 'About this author' : 'Hide bio'; }); });