<input id="code" type="button" value="发送验证码" /><script> ???var obj = $(‘#code‘); ???obj.on(‘click‘, function () { ???????var count = 6; ???????var timer = setInterval(function () { ???????????obj.attr(‘disabled‘, true); ???????????obj.val(count); ???????????count--; ???????????if (count < 0) { ???????????????clearInterval(timer); ???????????????obj.val(‘发送验证码‘); ???????????????obj.attr(‘disabled‘, false); ???????????} ???????}, 1000); ???})</script>jQuery 60s倒计时
原文地址：https://www.cnblogs.com/hcxwd/p/9188600.html