<style> div{ position: fixed; bottom: 0; -webkit-transform:translate(0%,100%); -webkit-transition: transform .5s linear 0s; transform:translate(0%,100%); transition: transform .5s linear 0s; } div>p{ counter-increment: add; } div>p:after{ content: counter(add); } .show{ -webkit-transform:translate(0%,0%); transform:translate(0%,0%); } </style> </head> <body> <input type="button" value="change" /> <div> <p></p> <p></p> <p></p> <p></p> </div> <script> var div=document.querySelector('div'); document.querySelector('input').onclick=function(){ div.classList.toggle('show'); } </script> </body>
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