<script>
function fmt(fmts,fmtopt,fmtv){
document.execCommand(fmts,fmtopt,fmtv);
}
</script><a href="javascript:fmt('bold')">加粗</a>
<a href="javascript:fmt('fontsize','','7')">大小</a>
function fmt(fmts,fmtopt,fmtv){
document.execCommand(fmts,fmtopt,fmtv);
}
</script><a href="javascript:fmt('bold')">加粗</a>
<a href="javascript:fmt('fontsize','','7')">大小</a>
请赐教.