W3School TIY Editor
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<html> <head> <script type="text/javascript" src="/jquery/jquery.js"></script> <script type="text/javascript"> $(document).ready(function() { $(".btn1").click(function(){ $("#box").animate({height:"300px"}); }); $(".btn2").click(function(){ $("#box").animate({height:"100px"}); }); }); </script> </head> <body> <div id="box" style="background:#98bf21;height:100px;width:100px;margin:6px;"> </div> <button class="btn1">Animate</button> <button class="btn2">Reset</button> </body> </html>