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- How to style a horizontal rule () in HTML?
- To beautify the horizontal lines in the web page, you need to customize the style. The specific methods are as follows: 1. Adjust the color, thickness and width to change the basic appearance; 2. Improve the design sense through dotted lines, gradients or adding icons; 3. Set the alignment and spacing reasonably to ensure the layout is coordinated. Use CSS to remove the default style and redefine the border, background-color, height, and width properties, such as setting hr{border:none;background-color:#ff4400;height:2px;width:80%;}. Further, visual embellishment can be achieved through pseudo-element addition icons such as hr::before, and margin and fle can be used at the same time.
- HTML Tutorial . Web Front-end 564 2025-07-06 02:20:41
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- What are HTML character encodings (like UTF-8)?
- Character encodings such as UTF-8 are systems that map characters to numbers for computer storage and display. The problem is that if the browser uses incorrect encoding to parse text, it may lead to garbled code. Character encoding corresponds to a unique number for each character, for example "A" corresponds to 65. Common encodings include UTF-8, ISO-8859-1, and Windows-1252. UTF-8 has become the standard because it is ASCII compatible, supports over one million characters and is efficient. Setting encoding in HTML requires: 1. Add it in; 2. Use UTF-8 when saving the file; 3. Ensure that the server HTTP header specifies UTF-8. Common problems and solutions include: 1. Text garbled should be checked whether the meta tag and file encoding are consistent; 2. Special characters are exported
- HTML Tutorial . Web Front-end 934 2025-07-06 02:16:11
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- How to create an ordered and unordered list in HTML?
- The method of creating ordered lists and unordered lists in HTML is as follows: 1. Use tags to create ordered lists, and use tags to define entries. You can set the numbering style to numbers, letters or Roman numerals through the type attribute; 2. Use tags to create unordered lists, and use tags to define entries. It is displayed in dots by default. You can modify them to blocks or hollow circles and other styles through the list-style-type attribute of CSS; 3. The list supports nested structures, and you can insert another ordered or unordered list in a list item, which is suitable for navigation menus or outline structures. Note that code indentation is helpful for maintenance. Mastering these tags combined with CSS can build a diverse list layout.
- HTML Tutorial . Web Front-end 566 2025-07-06 02:15:11
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- When should you use the html progress or meter elements?
- Usefortaskcompletionandforstaticmeasurements.1.showshowfaralongataskis,eitherindeterminate(unknownduration)ordeterminate(percentageknown).2.displaysacurrentvaluewithinafixedrange,likescoresortemperature,withoptionallow,high,andoptimalthresholds.3.Avo
- HTML Tutorial . Web Front-end 640 2025-07-06 02:14:31
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- How to embed audio content with the html audio tag?
- To play audio directly on a web page, just use HTML tags. The specific steps are as follows: 1. The basic writing method is to use the insert player; 2. To ensure compatibility, you can provide MP3, OGG, WAV and other formats in turn through the tag; 3. If you need to play automatically, add the autoplay attribute, but it is recommended to use the muted attribute at the same time to avoid browser restrictions; 4. If you need to play loop, add the loop attribute. Pay attention to user interaction rules and format support to optimize the experience.
- HTML Tutorial . Web Front-end 479 2025-07-06 02:12:21
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- Building Data Tables with the HTML table Element
- HTML tables are composed of , , , and 1. It is a container, 2. It wraps the table header, 3. It contains the main content, 4. Define rows, 5. It is a bold and centered table header cell, 6. It is a normal data cell; it is recommended to use CSS to set borders, merge borders, unify text alignment and increase margins to beautify the table; at the same time, it should be used to improve accessibility and semantics with scope attributes and additions to avoid complex layouts to ensure compatibility of auxiliary devices.
- HTML Tutorial . Web Front-end 423 2025-07-06 02:09:12
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- What is the basic structure of an HTML document
- A standard HTML document structure consists of several basic tags, mainly including: 1. Declaring the document type; 2. Root elements, including and; 3. Containing page meta information such as title, character set, viewport settings, styles and script references; 4. Place user-visible content, commonly used semantic tags such as, , , and organizational structure; 5. Pay attention to details such as correctly closing tags, using double quotes at attributes, and avoiding outdated tags.
- HTML Tutorial . Web Front-end 908 2025-07-06 02:03:32
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- Exploring Different Input Types for HTML Forms
- The input type improves form experience and verification efficiency. HTML5 provides various input types such as text, password, email, etc., which are adapted to different scenarios such as username, password hiding, and email verification; supports number limited number input, date selection, checkbox multiple selection, radio single selection, file upload, range slider bar, color color selection; combines required, min/max, and pattern to achieve front-end verification to reduce the burden on the back-end; mobile terminals automatically adapt to keyboard types such as email display @ symbols, tel calls numeric keyboards; provide input-able option list, readonly lock fields, hidden through datalist
- HTML Tutorial . Web Front-end 570 2025-07-06 01:57:11
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- Embedding Content from Other Sources Using the HTML iframe Tag
- iframe is an inline framework used in HTML to embed external content, suitable for embedding third-party content such as maps, videos, and advertisements; 1. Pay attention to security, style adaptation and loading performance when using it; 2. The basic writing method is to set functions such as size and full-screen playback; 3. Optimization includes removing borders, realizing responsive layout, and using lazy loading to improve performance; 4. In terms of security, sandbox and allow attributes should be used to restrict iframe behavior to prevent potential attacks; mastering these key points can ensure that iframes are stable and safely integrated into the web page.
- HTML Tutorial . Web Front-end 981 2025-07-06 01:56:42
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- How to specify the character encoding for an html document?
- There are three correct ways to specify character encoding of HTML documents: 1. Add in front of the HTML part, and it is recommended to follow the tag; 2. Configure the server to ensure that UTF-8 is sent, such as Apache uses AddDefaultCharsetUTF-8 or Nginx uses charsetutf-8; 3. Save the HTML file itself in UTF-8 encoding format, and set the correct output header when dynamically generating the page, while ensuring that external resources such as CSS and JavaScript also use UTF-8.
- HTML Tutorial . Web Front-end 228 2025-07-06 01:45:51
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- What are HTML entities and when to use them?
- HTML entities are used to correctly display special characters in web pages. Because some characters such as & have special meanings in HTML, direct use may lead to browser parsing errors, so entity escapes are required, such as
- HTML Tutorial . Web Front-end 292 2025-07-06 01:43:52
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- What is the difference between HTML and HTML5?
- HTML5 brings more modern web functions than HTML. 1. Semantic tags such as, etc. have been introduced to improve readability and SEO; 2. Natively support multimedia tags and no need to rely on plug-ins; 3. New intelligent form controls such as email and date input types are added to optimize user experience and provide basic verification functions. These improvements make web pages more structured, interactive and adaptable to more devices.
- HTML Tutorial . Web Front-end 729 2025-07-06 01:28:12
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- How to open a link in a new tab from an HTML page?
- To make the link open in a new tab, the most direct way is to use the target="_blank" attribute of HTML. It is also recommended to use rel="noopener" to improve security. Dynamic control can also be achieved through the window.open() method of JavaScript. The specific methods are as follows: 1. Add target="_blank" to the tag to open the link in the new tab; 2. Add rel="noopener" to prevent the new page from accessing the window.opener of the original page to avoid security risks; 3. Use Wind
- HTML Tutorial . Web Front-end 943 2025-07-06 01:25:42
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- How to create a multi-page website using HTML?
- The steps to create a multi-page website are as follows: 1. Plan the website structure, clarify the page content and list it; 2. Create an independent HTML file and add a unified navigation bar; 3. Set the link path correctly to ensure normal jumps; 4. Introduce public CSS files to maintain consistent style. Follow these steps to achieve a multi-page website with clear structure and complete functions.
- HTML Tutorial . Web Front-end 165 2025-07-06 01:19:02
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