```javascript诗话镇江 5 春风又绿江南岸
评分：
if (videopreview.length > 10) {
document.write('
');
document.write(videopreview);
document.write('
');
} else {
document.getElementById("video_player").style.height = "565px";
document.getElementById("yaodaishipin").style.display = "none";
}
排行榜：
var videopreview = ''; // 请将视频预览内容赋值给videopreview变量
if (videopreview.length > 10) {
document.write('
');
document.write(videopreview);
document.write('
');
} else {
document.getElementById("video_player").style.height = "565px";
document.getElementById("yaodaishipin").style.display = "none";
}
```
