document文档写入
<html><head><title>document.write() Example</title></head><body><p>The current date and time is:<script type="text/javascript">//写入文档document.write("<strong>" + (new Date()).toString() + "</strong>");//方法open()和close()分别用于打开和关闭网页的输出流。如果有了write()和writeln()， 就不需要这两个方法</script></p></body></html>?