HTML 错误代码(HTML error code) http 错误代码含义: “100”:继续 “101”:有魅力的协议 “200”:好的 “201”:创建 “202”:接受 “203”:那些信息 “204”:没有内容 “205”:重置内容 “206”:部分内容 “300”:多个选择 “301”:永久移动 “302”:发现 “303”:
theserverSHOULDincludeanentitycontaininganexplanationoftheerrorsituation,andwhetheritisatemporaryorpermanentcondition.Thesestatuscodesareapplicabletoanyrequestmethod.UseragentsSHOULDdisplayanyincludedentitytotheuser.
{ width: 400px; height: 425px; left: 60px; top: 80px; position: absolute; } #code { display: none; font-size: 16px; } #clock-box { position: absolute; left: 60px; top: 550px; font-size: 28px; display: none; } #clock-box a { font-size: 28px; text-decoration: none; }...
1functionSqlQuery($Conn,$Sql){2$Result=$Conn->query($Sql);3return$Result;4}5$TrCode=$_POST["TrCode"];6if($TrCode== 'NO_001'){//查询员工信息7$EM_Userid=$_POST["EM_Userid"];8$NO_Name=$_POST["NO_Name"];9$Sql= "SELECT * FROM T_Emp where EM_Userid like '%".$EM_Us...
html5Canvas的知识点,是程序员开发者必备技能,在实际工作中也常常会涉及到。 最近熬夜总结html5Canvas相关的知识点,大家一起看一下吧: 1.html5Canvas基础知识 Canvas,它是画布 Canvas元素用于在网页上绘制2D图形和图像 Canvas使用的场景有:1,动画;2,H5游戏;3,图表。
So, change your code above to the following: <style> body { font-family: Arial; } h1 { color: red; text-align: center; } p { font-weight: bolder; } img { width: 400px; border: 5px solid #333333; } ol { color: #333333; } </style> Recognize that? It's exactly the same...
A: Usual cause of the blank page or 400 error code is: The local offline package fails to load and thus the online fallback address is used. But because fallback address of the corresponding page does not exist, the page fails to load. Find out why the client fails to load offline pa...
The following HTML code snippet shows the use of the data-preload tag. HTML Copy <link href="https://path-to-your-file/sample.css" rel="stylesheet" type="text/css" data-preload="true"/> We recommend that you start with the default page content and build on top of it. You can ...
The following code example contains two methods. The first opens a URL in a window nameddisplayWindow, which it creates with a status bar displayed. The second opens another URL in the same window, but specifies that only the location bar should be displayed. Notice that the dimensions of th...
验证码:<input type="text" maxlength="3" size="5" name="rcode"/> name用于提交数据 maxLength最大输入长度 size(1-7)文本框长度 Readonly只针对input(text / password)和textarea有效,disabled对于所有的表单元素都有效,包括select, radio, checkbox, button等。