Simple js code with 60 seconds countdown appears when clicking the button (recommended)
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Click the button to display a 60-second countdown (recommended)</title> <script type="text/javascript" src="js/jquery.js"></script> </head> <body> <input type="button" id="btn" value="get verification code for free" onclick="settime(this)" /> <script type="text/javascript"> var countdown=60; function settime(val) { if (countdown == 0) { val.removeAttribute("disabled"); val.value="get verification code for free"; countdown = 60; } else { val.setAttribute("disabled", true); val.value="Resend(" + countdown + ")"; countdown--; } setTimeout(function() { settime(val) },1000) } </script> </body> </html>The above simple js code (recommended) with a 60-second countdown appears in the above article. It is all the content I share with you. I hope you can give you a reference and I hope you can support Wulin.com more.