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- CSS Tips: Exactly hide specific text inside HTML elements
- This tutorial is designed to solve how to use CSS to precisely hide specific text inside HTML elements without hiding the entire parent element. The core method is to wrap an independent tag for the target text and give a specific CSS class, and then apply the display: none style through this class, thereby achieving refined control of the page content.
- HTML Tutorial . Web Front-end 569 2025-09-16 22:21:00
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- Solve the problem that deleting modal boxes always point to the first element in Jinja2 loop
- This article provides a solution to the problem that the deletion modal box always points to the first element in the loop when developing web applications using Python Flask and Jinja2 template engines. By dynamically generating the ID of the modal box, ensuring that each modal box is associated with the corresponding element, thereby solving the problem of loop iteration.
- HTML Tutorial . Web Front-end 569 2025-09-16 21:33:01
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- Correct pose for Javalin integrating Pebble templates
- This article details how to correctly configure and render Pebble templates in Javalin applications. Core content includes avoiding placing template files in static resource directories, using the correct template file suffix (.peb) to ensure Javalin automatically recognizes the Pebble engine, and handling template rendering by routing rather than redirecting directly to the template file. By following these guidelines, developers can effectively solve the problem that Pebble templates are not rendered and optimize the template processing flow of Javalin applications.
- HTML Tutorial . Web Front-end 277 2025-09-16 21:27:00
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- Front-end implementation and security considerations of displaying database records based on user ID filtering
- This article discusses how to filter and display database records based on the ID of the currently logged-in user in front-end JavaScript to achieve personalized data display. By adding conditional judgments during data traversal, only entries matching the user ID can be rendered. However, the article also highlights the serious security vulnerabilities and performance issues in front-end filtering, and strongly recommends the use of back-end services for data filtering to ensure data security and system efficiency.
- HTML Tutorial . Web Front-end 386 2025-09-16 21:24:00
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- Optimize front-end theme switching: say goodbye to querySelector redundancy, embrace CSS cascading
- This article explores strategies to avoid redundant and inefficient querySelector operations when implementing topic switching (such as light/dark mode) in multi-page websites. By analyzing the limitations of querySelector in a single page context, we propose a more elegant and efficient solution: toggle the global class name of the body element only through JavaScript and use CSS cascading rules to define element styles under different topics. This approach greatly simplifies code and improves maintenance and performance.
- HTML Tutorial . Web Front-end 188 2025-09-16 21:21:00
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- CSS selector nesting: Optimize style management with preprocessor
- This article explores the limitations of native CSS in selector nesting and introduces how to use CSS preprocessors such as Sass/SCSS and Less to achieve efficient style nesting. Through the preprocessor, developers can write style code with clearer structure and more maintainable structure, effectively solving the problem of repeated definitions of complex selectors, thereby improving front-end development efficiency and code readability.
- HTML Tutorial . Web Front-end 608 2025-09-16 21:18:01
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- Correct posture for dynamically generating modal boxes in Flask/Jinja2 application
- This article discusses the problem of responding only to the first element when the Bootstrap modal box is used in a loop in the Flask/Jinja2 application. The core reason is that the modal box ID and the data-target attribute of the trigger element are duplicated. The tutorial will guide you how to dynamically generate unique IDs and data-targets through Jinja2, ensuring that each list item in the loop can correctly trigger its corresponding modal box and achieve independent operations.
- HTML Tutorial . Web Front-end 182 2025-09-16 21:15:01
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- Front-end data display: Practice and security considerations for filtering database records based on user ID
- This article will guide you on the front end using JavaScript to filter and display specific rows of data in the database based on the ID of the currently logged in user, such as displaying only recruitment information created by the user. We will explore client implementation methods and highlight the potential security and performance risks of this approach, and strongly recommend back-end filtering to ensure data security and system efficiency.
- HTML Tutorial . Web Front-end 919 2025-09-16 21:12:01
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- JavaScript Tips: Keep soft keyboard visible when clicking a button on a mobile device
- In mobile application development, when users use soft keyboard to enter, clicking other buttons on the interface may cause the soft keyboard to accidentally hide and interrupt the user experience. This article will introduce a practical JavaScript technique that effectively prevents the soft keyboard from hiding by refocusing the input box in the button click event, thereby improving the smoothness and coherence of user operations.
- HTML Tutorial . Web Front-end 324 2025-09-16 21:09:00
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- How to adjust long text in a Div using CSS without changing the page layout?
- This article describes how to use CSS properties to adjust long text in a Div container so that it can adapt to the width of the container and avoid exceeding the container boundary and affecting the page layout. By using the overflow-y: scroll property, vertical scroll bars can be added in the Div container so that users can scroll to view the full text content without changing the size of the Div container and the overall alignment of the page.
- HTML Tutorial . Web Front-end 512 2025-09-16 21:06:01
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- CSS selector nesting: the limitations of native CSS and the solution to preprocessors
- Traditional CSS standards do not support selector nesting, resulting in code redundancy when dealing with deep or repeated structures. To solve this problem, CSS preprocessors such as Sass and Less provide powerful nesting functions, allowing developers to organize style rules in a more intuitive and modular way, thereby greatly improving the readability and maintenance of code and simplifying the style management of complex UIs.
- HTML Tutorial . Web Front-end 259 2025-09-16 21:03:00
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- Solve the problem that CSS border transition animation does not take effect
- This article discusses common reasons why border transition animations do not take effect in CSS and their solutions. The browser cannot perform a smooth transition when the border does not have a clear initial color. The core method is to set a transparent initial color for the border, thereby providing a clear starting state for the animation, ensuring that the animation effect of the border from nothing to something or from one color to another can be displayed smoothly.
- HTML Tutorial . Web Front-end 312 2025-09-16 20:54:01
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- CSS border transition animation implementation: Solve the problem of border attribute transition not taking effect
- This tutorial aims to solve the common problem that the border attribute transition animation does not take effect in CSS. The core is that the browser needs a clear initial border state to make a smooth transition. The article will explain in detail how to ensure that the border can achieve the expected transition effect when it is from nothing to something or from one state to another by setting the initial border value (such as transparent), and provides SCSS sample code and professional parsing.
- HTML Tutorial . Web Front-end 450 2025-09-16 20:48:02
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- Modify pseudo-element style using CSS class: Dynamically change ::before element
- This article aims to explain how to dynamically change the style of the ::before pseudo-element of an element by adding or modifying a CSS class. Through a reasonable CSS structure and selector, we can implement flexible style control, avoid writing CSS code separately for each button, thereby improving the maintainability and reusability of the code.
- HTML Tutorial . Web Front-end 840 2025-09-16 20:42:01
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