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- Front-end data filtering and back-end security practice guide
- This article aims to explore how to implement user-specific data display filtering in front-end JavaScript to ensure that only database records created by the current user are displayed. At the same time, the article will deeply analyze the security and performance risks of front-end filtering, and strongly recommend the use of back-end filtering as a safer and more efficient solution to ensure data security and optimize application performance.
- HTML Tutorial . Web Front-end 611 2025-09-16 19:00:00
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- Dynamically generate form elements: a policy to ensure that the label is correctly associated with the input box
- This article discusses how to effectively solve the unique ID association problem between label tags and input elements when dynamically generating multiple form elements. The article proposes two core strategies: passing unique IDs through component properties (props), and dynamically generating unique IDs within components. Both methods ensure the semantics, accessibility, and SEO-friendliness of form elements, and provide detailed code examples and implementation considerations.
- HTML Tutorial . Web Front-end 470 2025-09-16 18:57:00
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- Use Tailwind CSS to achieve smooth transition effect of div width when hovering (2 seconds)
- This tutorial details how to use Tailwind CSS to achieve a width smooth transition effect on hovering for div elements, and lasts for a specified time (for example, 2 seconds). The article provides two main methods: a pure Tailwind CSS tool class implementation and a combination of custom CSS and a Tailwind utilities layer implementation. With sample code and detailed explanations, readers will learn how to create responsive and animated layouts in a Flex container and master the relevant Tailwind CSS classes and CSS properties.
- HTML Tutorial . Web Front-end 615 2025-09-16 18:54:00
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- Correct way to associate labels and input boxes when dynamically generating form elements in React
- This article discusses how to ensure that label and input are correctly associated with HTML semantics and SEO requirements when dynamically generating multiple form elements in React applications. In response to the problem that HTML id must be unique, the article provides two core solutions: passing unique IDs through component properties, or dynamically generating unique IDs within the component, supplemented by code examples, aiming to improve form accessibility and user experience.
- HTML Tutorial . Web Front-end 930 2025-09-16 18:51:01
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- JavaScript front-end data filtering: Display specific content and back-end optimization suggestions based on user ID
- This article details how to use JavaScript on the front end to filter and display specific rows of data in the database based on user ID, such as personalized job listings. We will demonstrate the client implementation method through sample code and highlight the potential security risks and performance issues of this approach, and strongly recommend the use of backend filtering mechanisms to ensure data security and system efficiency.
- HTML Tutorial . Web Front-end 368 2025-09-16 18:45:01
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- Solve FAQs on Flexbox layout in React: Make sure the map list items are arranged by row
- This tutorial is intended to solve the common problem in React applications where elements are arranged vertically rather than horizontally despite applying Flexbox layout when rendering list items using map methods. The core is to correctly understand the relationship between the Flexbox container and the project, and apply the display: flex style to the parent container containing all list items, rather than each individual list item, thereby achieving the expected row arrangement effect.
- HTML Tutorial . Web Front-end 448 2025-09-16 18:39:01
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- Dynamic form element tags and ID management in React: Ensure semantics and accessibility
- When dealing with dynamically generated form elements in frameworks such as React, ensuring that labels are correctly associated with input is a common challenge, and the core lies in the uniqueness of HTML ids. This article will explore two effective strategies: passing externally managed unique IDs through component props, or generating temporary unique IDs within components, thereby ensuring the semantics, accessibility and SEO benefits of forms.
- HTML Tutorial . Web Front-end 373 2025-09-16 18:27:00
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- Correct implementation of CSS border attribute transition animation
- This article explores in-depth common reasons why the transition animation of CSS border attributes fails, especially when the border color is not clearly defined in the initial state. By explaining how the browser handles transitions and providing a solution to set the initial border color to transparent, ensuring that the border attribute can smoothly transition from colorless to colored, achieving the expected visual animation effect.
- HTML Tutorial . Web Front-end 822 2025-09-16 18:18:01
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- Implement front-end data filtering by user ID: methods, limitations and best practices
- This article explores how to filter and display specific data in front-end JavaScript based on the current logged-in user ID, such as only displaying the job list created by the user. We will provide specific code implementations and deeply analyze the security and performance risks of front-end filtering, and ultimately emphasize back-end data filtering as a more professional and safer best practice.
- HTML Tutorial . Web Front-end 286 2025-09-16 18:09:00
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- JavaScript: Strategy to prevent soft keyboard from hiding when clicking buttons on mobile
- This tutorial aims to solve the problem that users click on the page button while the soft keyboard is activated in mobile development, causing the keyboard to be accidentally hidden. The core strategy is to refocus the input box in the button click event through JavaScript, thereby effectively maintaining the visibility of the soft keyboard and improving the user input experience.
- HTML Tutorial . Web Front-end 392 2025-09-16 17:09:01
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- CSS selector nesting: use preprocessor to improve style management efficiency
- This article explores the necessity of CSS selector nesting and its limitations in native CSS. For complex HTML structures and duplicate style definitions, native CSS cannot directly support selector nesting, resulting in verbose code. The core solution is to use CSS preprocessors such as SASS/SCSS or LESS, which provide powerful nested syntax, can greatly simplify the writing and maintenance of style sheets, and generate standard CSS through compilation.
- HTML Tutorial . Web Front-end 464 2025-09-16 17:03:01
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- Master Flexbox layout in React: Solve the problem of vertical stacking of map elements
- This tutorial is designed to solve common layout problems when dynamically rendering list items in React applications: When elements are expected to be arranged horizontally, they appear to be stacked vertically. We will dig into the cause of this problem and demonstrate how to apply the display:flex style to the parent container of the list item through the correct application of the Flexbox layout, ensuring that the mapping elements can be displayed in rows as expected, achieving a clear and responsive interface layout.
- HTML Tutorial . Web Front-end 732 2025-09-16 16:12:01
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- JavaScript: How to prevent the keyboard from automatically hiding when clicking non-input elements
- This article aims to solve common user experience problems in mobile development: when the user focuses on the input box and evokes the soft keyboard, clicks other non-input elements on the page (such as custom function buttons), the soft keyboard will be accidentally hidden. The tutorial will introduce in detail how to listen to button click events through JavaScript and actively reset the focus back to the input element, thereby ensuring the continuous display of the soft keyboard and improving the smoothness of user operations.
- HTML Tutorial . Web Front-end 701 2025-09-16 16:00:06
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- Tag association and unique ID management practices for dynamically generated form elements in React/JSX
- This tutorial explores how to correctly associate label tags for dynamically generated form elements in a React/JSX environment to ensure semantics and accessibility. The core challenge is that HTML id attributes must be unique. The article will introduce two effective solutions: one is to pass the externally generated unique ID through component properties (props); the other is to dynamically generate a unique ID inside the component, and provide corresponding code examples and implementation details.
- HTML Tutorial . Web Front-end 577 2025-09-16 15:18:01
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