


Talking about the practical application of html mailto (e-mail)_HTML/Xhtml_web page production
As we all know, mailto is a very practical HTML tag in web design and production. Many friends who have personal web pages like to write their email address in a prominent position on the website, so that once the web browser clicks with the mouse, After the super connection formed by mailto, the default email client software in the current computer system can be automatically opened, such as OutLook Express and Foxmail.
However, since various operating systems and mail clients handle mailto event connections inconsistently, you need to pay attention when applying them in practice;
1. Basic syntax
send email
or
Parameter list:
to | 收信人(多个之间用;分割) |
suject | 主题 |
cc | 抄送 |
bcc | 暗抄送 |
body | 内容(部分邮件客户端支持html格式语句) |
link string
send mail
form method
2. Mail client differences
The above is a simple syntax application of mailto; but in actual application, depending on the browser client settings of the browser, there will be different effects;
Especially when the body content contains statements in html format, this You need to pay attention when doing so;
Outlook displays the html statement of the body as it is (it is also invalid after escaping the html of the body), so what should we do if we want to wrap the statements in the body when doing Outlook mailto?
has no effect. . Need to use character as a newline symbol;
foxmail will display the corresponding html effect of the html statement of the body;
Of course, you can also use another way to implement a mailto-type client to send emails:
function SendMail(filePath) {
var path = location.href.substring(0, location.href.lastIndexOf("/")) filePath;
var outlookApp = new ActiveXObject("Outlook.Application");
var nameSpace = outlookApp.getNameSpace( "MAPI");
var mailItem = outlookApp.CreateItem(0);
var mailto = "test@163.com ";
var mailBody= "
mailItem.Subject = "test title";
mailItem.To = mailto;
mailItem.HTMLBody = mailBody;
if (path != "") {
mailItem.Attachments.Add(path);
}
mailItem. Display(0);
mailItem = null;
nameSpace = null;
outlookApp = null;
}
But this has a big disadvantage: only To support the Outlook client, you need to configure the Internet options and enable "Initialize and script run ActiveX controls not marked as safe".
The Attachments.Add of mailItem is called to add attachments to the email. When there are no attachments, the filePath parameter can be deleted.
If you need to add a CC object, you can call mailItem.Cc. If you need to add a CC object, you can call the mailItem.Bcc method.

The function of HTML is to define the structure and content of a web page, and its purpose is to provide a standardized way to display information. 1) HTML organizes various parts of the web page through tags and attributes, such as titles and paragraphs. 2) It supports the separation of content and performance and improves maintenance efficiency. 3) HTML is extensible, allowing custom tags to enhance SEO.

The future trends of HTML are semantics and web components, the future trends of CSS are CSS-in-JS and CSSHoudini, and the future trends of JavaScript are WebAssembly and Serverless. 1. HTML semantics improve accessibility and SEO effects, and Web components improve development efficiency, but attention should be paid to browser compatibility. 2. CSS-in-JS enhances style management flexibility but may increase file size. CSSHoudini allows direct operation of CSS rendering. 3.WebAssembly optimizes browser application performance but has a steep learning curve, and Serverless simplifies development but requires optimization of cold start problems.

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HTML is the cornerstone of building web page structure. 1. HTML defines the content structure and semantics, and uses, etc. tags. 2. Provide semantic markers, such as, etc., to improve SEO effect. 3. To realize user interaction through tags, pay attention to form verification. 4. Use advanced elements such as, combined with JavaScript to achieve dynamic effects. 5. Common errors include unclosed labels and unquoted attribute values, and verification tools are required. 6. Optimization strategies include reducing HTTP requests, compressing HTML, using semantic tags, etc.

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