jQuery animate()
bottom
<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"> </script>/*ww w .j a v a 2s .c o m*/ <script> $(document).ready(function(){ $(".btn1").click(function(){ $("p").animate({bottom: "+=100px"}); }); $(".btn2").click(function(){ $("p").animate({bottom: "0"}); }); }); </script> </head> <body> <button class="btn1">Animate</button> <button class="btn2">Reset</button> <p style="position:absolute;bottom:0;">This is a paragraph.</p> </body> </html>