JS 60秒后重新发送验证码的实例讲解

//settime($("#getPhoneCode"),60);

function settime($obj, time) {
  if (time == 0) {
    $obj.attr("disabled", false);
    $obj.css("background", "#f38401").css("cursor", "pointer");
    $obj.text("获取手机验证码"); 
    return;
  } else {
    $obj.attr("disabled", true);
    $obj.css("background", "#ccc").css("cursor", "not-allowed");
    $obj.text("重新发送(" + time + ")");
    time--;
  }
  setTimeout(function () { settime($obj, time) }, 1000)
}