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  • Using HTML `fieldset` and `legend` for Forms
    Using HTML `fieldset` and `legend` for Forms
    fieldset and legend are important tags in HTML for form grouping. 1. Fieldset is used to wrap a group of related controls and form logical groups; 2. legend must be the first child element of fieldset to add titles to the group; 3. They can be used in conjunction with the form to enhance the semantic structure, improve accessibility and optimize visual organization; 4. When using it, it is recommended to avoid being too deep nested. It is recommended to always add legends, and custom styles can be customized through CSS to maintain a clear interface structure.
    HTML Tutorial . Web Front-end 261 2025-07-17 01:58:11
  • HTML `autocorrect` for Input Fields
    HTML `autocorrect` for Input Fields
    Whether to turn off or enable the autocorrect attribute of HTML should be determined based on the input scenario. 1. The scenarios where autocorrect should be turned off include: input standard format content such as email, password, code snippet and username to prevent errors and correct input. It is recommended to add autocorrect="off" to these fields; 2. The scenarios where autocorrect should be turned on include: fields that require a large number of free text input such as search boxes and comment boxes, which can improve input efficiency. It is recommended to set it to autocorrect="on" or be turned on by default; 3. It can be used with other attributes, such as autocomplete and spellche.
    HTML Tutorial . Web Front-end 184 2025-07-17 01:56:51
  • Implementing HTML `details` and `summary` with JavaScript
    Implementing HTML `details` and `summary` with JavaScript
    To control HTML and element behavior, the most direct way is to modify the open attributes through JavaScript and implement custom logic in combination with event listeners. 1. Use details.open=true/false to expand/collapse content dynamically; 2. To add a click event listener, custom operations can be performed and status manually switched; 3. When managing multiple elements, click one to expand and other to collapse; 4. Pay attention to browser compatibility and default style differences, and customize styles or use alternatives if necessary.
    HTML Tutorial . Web Front-end 289 2025-07-17 01:56:12
  • HTML `meta name='author'` and `meta name='generator'`
    HTML `meta name='author'` and `meta name='generator'`
    Tags are used to indicate the author of the web page, which facilitates team collaboration or content attribution, such as; tags indicate web page generation tools or frameworks, such as, which facilitate technical identification and statistical analysis, but may involve security risks. Suggestions for use include: 1. Team project or corporate website can add author information; 2. Personal website can enhance the sense of belonging; 3. Team name can be replaced when privacy is sensitive; 4. Generator tags should be paid attention to avoid redundancy and can be closed; 5. Keep the content concise and unified format. Both are not required for SEO, but have some value for management and tracking.
    HTML Tutorial . Web Front-end 464 2025-07-17 01:41:02
  • HTML `input` `pattern` Attribute for Regex Validation
    HTML `input` `pattern` Attribute for Regex Validation
    TheHTMLpatternattributeallowsclient-sideformvalidationusingregularexpressionswithoutJavaScript.1.Itworkswithinputtypesliketext,email,andpassword,enforcingformatrulesuponformsubmission.2.Regexinpatternshouldn’tuse/.../,^,or$sincethebrowserautomaticall
    HTML Tutorial . Web Front-end 122 2025-07-17 01:36:32
  • The Role of `nav` and `main` in HTML5 Layout
    The Role of `nav` and `main` in HTML5 Layout
    and tags improve accessibility and SEO by defining page structure. It is used to wrap the main navigation area, such as the top or sidebar menu, which can be recognized by auxiliary tools to facilitate user positioning, but secondary links should not be placed in it, and multiple can be used with ARIA attributes; it means that the only core content area of the page cannot be nested in other semantic tags, which helps search engines and auxiliary technologies to quickly identify key content, and also supports direct CSS style control; the two are more semantic value, which can optimize document structure, enhance accessibility and improve code maintainability.
    HTML Tutorial . Web Front-end 419 2025-07-17 01:32:02
  • HTML for Creating Interactive Games
    HTML for Creating Interactive Games
    To use HTML to create interactive mini-games, it is necessary to combine HTML, CSS and JavaScript. HTML is responsible for building game structures, such as canvas canvas, scoring areas and buttons; CSS is used to beautify the interface and add animation feedback; JavaScript implements game logic and interaction, such as event monitoring, animation loops and score updates. It is recommended that novices start from clicks, keyboard controls or time challenge games to gradually realize the full process development from interface construction to logical control.
    HTML Tutorial . Web Front-end 248 2025-07-17 01:26:42
  • The `allowfullscreen` Attribute for Iframes
    The `allowfullscreen` Attribute for Iframes
    The allowfullscreen property is used for labels, allowing embedded content to be displayed in full screen. Common writing methods include allowfullscreen, allow="fullscreen" and allow="fullscreen;autoplay;encrypted-media", etc. It is recommended to use the standard writing method allow="fullscreen". If the full screen function does not take effect, it may be due to browser restrictions, parent page permission settings, or the content itself does not support it. In addition, you can finely control permissions through the allow attribute, such as allow="full
    HTML Tutorial . Web Front-end 931 2025-07-17 01:25:31
  • The HTML `abbr` Tag for Abbreviations
    The HTML `abbr` Tag for Abbreviations
    TheabbrtaginHTMLisusedtomarkupabbreviationsandacronyms,improvingaccessibilityandsemantics.1.Itindicatesabbreviatedtexttobrowsersandassistivetechnologies.2.Pairingitwiththetitleattributedisplaysthefullexpansiononhover.3.Itshouldbeusedforlessfamiliarab
    HTML Tutorial . Web Front-end 160 2025-07-17 01:21:42
  • HTML `pre` Tag for Preformatted Text
    HTML `pre` Tag for Preformatted Text
    ThetaginHTMLisusedtodisplaytextexactlyasitiswritten,preservingspaces,tabs,andlinebreaks.Itisidealforcodesnippets,ASCIIart,poetry,andlogswhereformattingisessential.Touseiteffectively,pairitwiththetagforsemantics,applyCSSforlinewrappingandstyling,anden
    HTML Tutorial . Web Front-end 282 2025-07-17 01:20:02
  • HTML `multiple` Attribute for File Uploads
    HTML `multiple` Attribute for File Uploads
    When uploading HTML files, multiple attributes can be used to achieve multi-file selection. Just add the multiple attribute to the tag, for example, the user can hold down Ctrl or Shift multiple selection files. To facilitate the backend to recognize as an array, it is recommended to set the name attribute to name="files[]". Mainstream browsers support this property, but old IE versions (such as IE10 and below) are incompatible. If necessary, Flash or third-party libraries can be used instead. The backend needs to receive data in an array, for example, PHP uses $_FILES['files']['name'], Node.jsExpress is used with mult.array
    HTML Tutorial . Web Front-end 778 2025-07-17 00:17:51
  • How to properly structure a navigation bar with and ?
    How to properly structure a navigation bar with and ?
    To label the navigation bar in a standardized and practical manner, pay attention to structure, style and adaptation issues. 1. Use an unordered list of packages in structure, each navigation item is placed in and links, which meets semantic standards and is friendly to screen readers; 2. Use CSS to set list-style:none to remove dots, display:flex to realize horizontal arrangement, gap controls spacing, and link color can be adjusted according to style; 3. Mobile adapters can hide navigation items through media query and display hamburger menu, and switch styles in combination with JavaScript; 4. Notes include avoiding abuse of tags, footer auxiliary links usually do not need to be included. At the same time, the internal structure is recommended to use list form to improve readability.
    HTML Tutorial . Web Front-end 148 2025-07-16 04:52:41
  • How to embed a Base64 image in HTML?
    How to embed a Base64 image in HTML?
    The method of embedding Base64 images in HTML is to directly write Base64 data in the src attribute of the img tag. The format is: where mediatype is the MIME type of the image such as image/png, and data is the image content after Base64; obtaining Base64 encoding can be achieved through online tool conversion, command line tools (such as base64 command), and JavaScript dynamic reading of files; precautions include that the size of Base64 images becomes larger and is not suitable for large images, cannot be cached separately, mainstream browsers have good compatibility but IE has length restrictions; the applicable scenarios are mainly small icons, background images, email templates, offline applications or single-file HTML to reduce requests.
    HTML Tutorial . Web Front-end 858 2025-07-16 04:51:52
  • How to use HTML SVG for scalable graphics?
    How to use HTML SVG for scalable graphics?
    SVG is an XML-based vector graphics format used to create clear, responsive images in HTML. 1. It can be directly embedded in HTML or referenced as an external file; 2. Common elements include,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
    HTML Tutorial . Web Front-end 537 2025-07-16 04:51:01

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