if(Trim($("xian").value) == "" || Trim($("shuo").value) == "")以上表示or的意思,xian shuo只要有空就...如何and呢?也就是xian shuo的值都空才...这样的话||应该改为什么符号?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 07:02:25
![if(Trim($(](/uploads/image/z/13846157-53-7.jpg?t=if%28Trim%28%24%28%22xian%22%29.value%29+%3D%3D+%22%22+%7C%7C+Trim%28%24%28%22shuo%22%29.value%29+%3D%3D+%22%22%29%E4%BB%A5%E4%B8%8A%E8%A1%A8%E7%A4%BAor%E7%9A%84%E6%84%8F%E6%80%9D%2Cxian+shuo%E5%8F%AA%E8%A6%81%E6%9C%89%E7%A9%BA%E5%B0%B1...%E5%A6%82%E4%BD%95and%E5%91%A2%3F%E4%B9%9F%E5%B0%B1%E6%98%AFxian+shuo%E7%9A%84%E5%80%BC%E9%83%BD%E7%A9%BA%E6%89%8D...%E8%BF%99%E6%A0%B7%E7%9A%84%E8%AF%9D%7C%7C%E5%BA%94%E8%AF%A5%E6%94%B9%E4%B8%BA%E4%BB%80%E4%B9%88%E7%AC%A6%E5%8F%B7%3F)
if(Trim($("xian").value) == "" || Trim($("shuo").value) == "")以上表示or的意思,xian shuo只要有空就...如何and呢?也就是xian shuo的值都空才...这样的话||应该改为什么符号?
if(Trim($("xian").value) == "" || Trim($("shuo").value) == "")
以上表示or的意思,xian shuo只要有空就...
如何and呢?也就是xian shuo的值都空才...
这样的话||应该改为什么符号?
if(Trim($("xian").value) == "" || Trim($("shuo").value) == "")以上表示or的意思,xian shuo只要有空就...如何and呢?也就是xian shuo的值都空才...这样的话||应该改为什么符号?
“&&” 或者直接“AND”