http://www.ks5u.com/down/2021-8/30/4537928.shtml function chkdiv(divid){ var chkid=document.getElementById(divid); if(chkid != null){return true; } else {return false; } } if (chkdiv('count')) { document.getElementById('count').innerHTML='日11..1111'; } //document.getElementById('complain').innerHTML='0'; document.getElementById('count').innerHTML='' document.getElementById('count').previousElementSibling.innerHTML=''; if (chkdiv('Res_Prives')) { document.getElementById('Res_Prives').innerHTML='在线预览'; }