<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>注册页面</title> </head> <body> <form id="enroll"> <h1>注册账号</h1><br><br> <label for="name">名字：</label><input type="text" id="name" value="" ><br><br> <label for="mail">邮箱：</label><input type="text" id="mail" value=""><br><br> <label for="password1">密码：</label><input type="text" id="password1" value=""><br><br> <label for="password2">确认密码：</label><input type="text" id="password2" value=""><br><br> <button type="reset" value="重置">重置</button> <button type="button" value="提交" onclick="namejudge(username,usermail,userpass1,userpass2)" >提交</button> <script> var username = document.getElementById('name').value; var usermail = document.getElementById('mail').value; var userpass1 = document.getElementById('password1').value; var userpass2 = document.getElementById('password2').value; function namejudge(username,usermail,userpass1,userpass2) { if (username===''||userpass1===''||usermail===''||userpass2===''){alert('用户信息不能为空')} else{alert(username+usermail+userpass1+userpass2)} } </script> </form> </body> </html>这段代码为什么不能在浏览器中打印我输入的用户信息

HTML中的<meta>标签的使用详解

主要介绍了HTML中的<meta>标签的使用，非常不错，具有一定的参考借鉴价值，需要的朋友参考下吧

index.html

-doctype-html-html-lang-en-head-meta-charset-utf-8-title-GitHub-Privacy-Stat:GitHub隐私声明-GitHub Docs <title> <meta name =“ viewport” content =“ width = device-width，initial-scale = 1”> <link rel =“ alternate icon” type =“ imagepng” href =“ a

-doctype-html-html-lang-en-head-meta-charset-utf-8-title-GitHub-Privacy-Stat <！doctype html> <html lang =“ zh-CN”> <head> <meta charset =“ utf-8” /> <title> GitHub隐私...

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Not found</title> </head> <body> Not found </body> </html>

DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Not found</title> </head> <body> <h1>Not found</h1> </body> </html>是一个HTML页面模板，它是一个简单的404页面，用于显示“Not found”...

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>王梦洁</title> </head> <body> </body> </html>为什么访问不到这个页面。报错404

DOCTYPE html>声明是HTML文档的一部分，它告诉浏览器使用哪个HTML版本来解析页面。在给定的示例中，<!DOCTYPE html>声明指定了HTML5版本。这个声明应该放在HTML文档的开头，作为第一行。然而，<!DOCTYPE html>声明...

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>图书首页</title> </head> <body> 图书信息表 title auth pushdate </body> </html>、

<!doctype+html> <html> <head> <meta+charset="utf-8"> <title>佳佳美食</title> <link+rel="stylesheet"+type

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>表格标签的基本使用</title> </head> <body> 1 2 3 8 2 23 </body> </html>合并单元格

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>@ViewData["Title"] - Furion</title> </head> <body> @RenderBody() </body> </html>

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>boot-01首页</title> </head> <body> 工程首页 BMI测试 BMI测试 </body> </html>

这是一个简单的HTML页面，其中包含了两个链接。第一个链接是相对路径的示例，它指向名为"bmi.html"的文件。第二个链接是绝对路径的示例，它指向根目录下的"bmi.html"文件。相对路径是相对于当前文件所在位置的路径...

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>{%block title %} {% endblock%}</title> </head> <body> 我是父模版 {% block body%} {% block body%} </body> </html>

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <script src="/jquery-3.6.3.min.js"> $("#11").click(function (){ alert("haha"); }) </script> <button id="11">haha</button> </body> </html>该代码为什么不弹出警示框

帮我翻译代码：<!DOCTYPE html> <html lang="en" > <head> <meta charset="UTF-8"> <title>炫酷感科技感旋转vuejs特效</title> <script src="vue.js"></script> </head> <body> <script type="module"> import CodePenVueComponent from "./script.js"; new Vue(CodePenVueComponent).$mount('#app'); </script> </body> </html>

- <meta charset="UTF-8">：指定页面的字符编码为 UTF-8。 - <title>炫酷感科技感旋转vuejs特效</title>：页面标题。 - <script src="vue.js"></script>：引入 Vue.js 库，以便在页面中使用 Vue.js 框架。 - ...

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>html快速入门</title> </head> <body> HTML图片 </body> </html>请问这段代码有何问题

为下列html页面添加css样式表<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>民航系统登录</title> </head> <body> 欢迎登录民航系统 <button type="button">增加</button> <button type="button">修改</button> <button type="button">删除</button> <button type="button">查询</button> </body> </html>

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <script src="jquery-3.6.3.min.js"></script> <script> $().ready=function () { $("#11").click(function () { alert("haha"); }) } </script> <button id="11">haha</button> </body> </html>为什么不弹出警示框

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <script src="https://cdn.jsdelivr.net/npm/vue@2.7.14"></script> <body> <input type="text" v-model="message"> <script> var app = new Vue({ el: "#app", date: { message: "Hello Vue!" } }) </script> </body> </html> 代码运行报错 ReferenceError: message is not defined

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style> #father { width: 300px; height: 300px; background-color: pink; margin: 100 auto; } </style> </head> <body> <script> let i = document.querySelector(".father") console.log(i); </script> </body> </html>

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> admin页面 root <form action ="root.html" method="post"> username:<input type="text" name="username"/>
<input type="submit" value="提交"/> </form> 访问HelloServlet </body> </html>为什么点击超链接会弹出404

在给出的HTML代码中，存在两个超链接<a>标签，分别是<a href="root.html">root</a>和<a href="hello">访问HelloServlet</a>。 1. 针对第一个超链接<a href="root.html">root</a>，请确保在相同目录下存在名...

C:\Users\99359\Desktop\python\python.exe C:\Users\99359\PycharmProjects\pythonProject\爬虫.py 404 <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Error</title> </head> <body> Cannot GET /url=steam://rungame/730/76561202255233023/+csgo_econ_action_previewP250%20%7C%20Undertow%20%28Factory%20New%29 </body> </html>

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HTML中的<meta>标签的使用详解

index.html

-doctype-html-html-lang-en-head-meta-charset-utf-8-title-GitHub-Privacy-Stat:GitHub隐私声明-GitHub Docs <title> <meta name =“ viewport” content =“ width = device-width，initial-scale = 1”> <link rel =“ alternate icon” type =“ imagepng” href =“ a

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Not found</title> </head> <body> Not found </body> </html>

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>王梦洁</title> </head> <body> </body> </html>为什么访问不到这个页面。报错404

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>图书首页</title> </head> <body> 图书信息表 title auth pushdate </body> </html>、

<!doctype+html> <html> <head> <meta+charset="utf-8"> <title>佳佳美食</title> <link+rel="stylesheet"+type

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>表格标签的基本使用</title> </head> <body> 1 2 3 8 2 23 </body> </html>合并单元格

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>@ViewData["Title"] - Furion</title> </head> <body> @RenderBody() </body> </html>

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>boot-01首页</title> </head> <body> 工程首页 BMI测试 BMI测试 </body> </html>

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>{%block title %} {% endblock%}</title> </head> <body> 我是父模版 {% block body%} {% block body%} </body> </html>

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <script src="/jquery-3.6.3.min.js"> $("#11").click(function (){ alert("haha"); }) </script> <button id="11">haha</button> </body> </html>该代码为什么不弹出警示框

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>html快速入门</title> </head> <body> HTML图片 </body> </html>请问这段代码有何问题

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