What are the standard codes for web front-end?
In Web front-end development, there are some common standard coding specifications and best practices, such as "HTML standard code", "CSS standard code", "JavaScript standard code", "responsive design standards" and " Accessibility standards: 1. HTML standard code, use semantic tags, and correctly use elements such as titles, paragraphs, lists, etc.; 2. CSS standard code, use external CSS files or embedded style sheets, and avoid inline styles; 3. JS Standard code, use semantic naming of variables and functions, follow the camel case naming convention, etc.
# Operating system for this tutorial: Windows 10 system, Dell G3 computer.
In Web front-end development, there are some common standard coding specifications and best practices, as follows:
- ##HTML standard code:
- Use semantic tags and use titles, paragraphs, lists and other elements correctly.
- Follow good indentation and nesting conventions to keep your code readable.
- Use double quotes to wrap attribute values and use lowercase letters.
- Ensure that the HTML document structure is properly closed to avoid redundant tags.
- CSS standard code:
- Use external CSS files or inline style sheets and avoid inline styles.
- Use meaningful names for selectors and avoid using selectors that are too specific.
- Follow the cascading rules and write styles in order from general to specific.
- Use concise style sheets to avoid redundant and repeated style definitions.
- Use appropriate CSS layout methods, such as Flexbox or Grid.
- JavaScript standard code:
- Use semantic naming of variables and functions and follow the camel case naming convention.
- Use strict mode ('use strict') to improve code security and performance.
- Avoid using global variables and try to limit variables to local scope.
- Use appropriate data types and operators to avoid type conversion errors.
- Write clear, readable code, using comments for necessary explanations and documentation.
- Responsive design standards:
- Use media queries to adjust styles according to different device sizes.
- Adopt a fluid layout or responsive grid system to enable the page to adapt to different screen sizes.
- Optimize image resources and use appropriate image formats and compression methods.
- Consider touch on mobile devices and make sure page elements are easy to click and swipe.
- Accessibility Standards:
- Use meaningful titles and alt attributes to provide good document structure.
- Ensure the page is keyboard accessible and provide appropriate focus indication.
- Follow the Web Content Accessibility Guidelines (WCAG) to improve the accessibility of your website.
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