6.短信验证码60s倒计时

  短信验证码60s倒计时

html:

  <input type="button"  class="btn btn-primary" value="免费获取验证码" />

JS:

  var wait=60;
  function time(o) {
    if (wait == 0) {
      o.removeAttribute("disabled");
      o.value="免费获取验证码";
      wait = 60;
    }else {
      o.setAttribute("disabled", true);
      o.value="重新发送(" + wait + ")";
      wait--;
      setTimeout(function() {
      time(o)
      },1000)
    }
  }

原文地址:https://www.cnblogs.com/sqyambition/p/8259825.html