jQuery animate()
max Width
<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"> </script>/*from ww w . j av a 2 s. c o m*/ <script> $(document).ready(function(){ $(".btn1").click(function(){ $("#p1").animate({maxWidth: "+=50px"}); }); $(".btn2").click(function(){ $("#p1").animate({maxWidth: "-=50px"}); }); }); </script> </head> <body> <button class="btn1">Animate +</button> <button class="btn2">Animate -</button> <p>This is a paragraph.</p> <p id="p1" style="max-width:200px;">This is an animated paragraph.</p> <p>This is a paragraph.</p> </body> </html>