JS定时广告代码

<script>
function adCheck(){
  var myDate = new Date();
  var aaa=myDate.getHours();
  if(parseInt(aaa)>=1 && parseInt(aaa)<=5 ){  //投放时间设置
    return true;
  }else{
    return false;
  }
}
  if(adCheck()){
    //投放
document.writeln("<script type='text/javascript' charset='UTF-8' async src='https:\/\/yyob.com\/ad\/'><\/script>");//注意这里一定要放置的是js的广告代码
  }
</script>