{dede:list pagesize='10'}

            [field:array runphp='yes']

             if (@me['flag']=='a') @me='    <a class="nf"';

            else @me='    <a';

            [/field:array]

            href="[field:arcurl/]">

            <span class="s1"><img src='[field:litpic/]' /></span>

            <span class="s2"><p>T-<br/>[field:title/]</p>

            <p>Ifo-<br/>[field:infos /]..</p></span>

            </a>

{/dede:list}

<script>
var oDiv=document.getElementsByClassName("nf");
for(var i=0;i<oDiv.length;i++){
oDiv[i].style.color="red";
}
</script>