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<html><head><script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.1/jquery.min.js"></script><script>$(document).ready(function(){ $("#btn").click(function(){ $("#box").animate({ width: "400px" }, { duration: 5000, easing: "linear", step: function(x) { $("#demo").text(Math.round(x * 100 / 400) + "%"); } }); });});</script></head><body><button id="btn">Start Progress Bar</button><div style="border:1px solid green;margin:10px;width:400px;"> <div id="box" style="background:#98bf21;height:50px;width:1px;border:1px solid green;"></div></div><p id="demo"></p></body><!-- Mirrored from www.w3schools.com/jquery/tryit.asp?filename=tryjquery_eff_animate_progressbar by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 18:06:20 GMT --></html>