HTML:<!DOCTYPE html><html> <head> <meta charset="utf-8"/> <script src="js/jquery-2.2.2.min.js"></script> <script type="text/javascript"> var countdown = 60; function settime(obj) { if (countdown == 0) { obj.removeAttribute("disabled"); obj.value = "等待60秒"; countdown = 60; return; } else { obj.setAttribute("disabled", true); obj.value = "重新发送(" + countdown + ")"; countdown--; } setTimeout(function () { settime(obj) }, 1000) } </script></head> <body><input type="button" id="btn" value="click me" onclick="settime(this)"/> </body> </html>result:
时间: 2024-10-25 04:47:49