登录后复制 const getCodeBtn =。。。; let countdown = 60; let intervalId; getCodeBtn.attr("disabled","disabled"); intervalId = setInterval(function () { if (countdown === 0) { getCodeBtn.text("获取验证码"); getCodeBtn.removeAttr("disabled"); clearInterval(intervalId); } else { countdown--; getCodeBtn.text(countdown); getCodeBtn.disabled = true; } }, 1000); 1.2.3.4.5.6.7.8.9.10.11.12.13.14.15. 原创作者: u_176133 转载于: https://blog.51cto.com/u_176133/11533159