HTML <h3 onclick="document.getElementsByTagName('nav')[0].className = 'menu menu_active'">menu</h3> <nav class="menu"> <p onclick="document.getElementsByTagName('nav')[0].className = 'menu'">close</p> <ol> <li class="menu…
HTML <h3 onclick="document.getElementsByTagName('nav')[0].className = 'menu menu_active'">menu</h3> <nav class="menu"> <p onclick="document.getElementsByTagName('nav')[0].className = 'menu'">close</p> <ol> <li class="menu…
