Found a total of 10000 related content
Vue and Element-UI cascaded drop-down box component packaging
Article Introduction：The packaged Vue and Element-UI cascading pull-down box components are designed to achieve high customization, ease of maintenance, and excellent performance. Its core functions include: flexible data format processing, asynchronous loading support, customized rendering and error handling. During the packaging process, you need to pay attention to common errors and performance optimization, and follow the principles of code readability and maintainability to improve the reusability, scalability and integration of components.
2025-04-07
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1170
How to create a reusable dropdown menu component in Vue?
Article Introduction：Create a reusable drop-down menu component in Vue, which requires the control of content and triggering methods through props and the use of slots to achieve customization. 1. The component structure includes trigger buttons and pull-down panels. Labelprop is used to set button text, and isOpen controls the display status; 2. The interactive logic adopts v-model bidirectional binding to control display, combined with disabled prop, and supports disabledprop to support external closing through clickoutside command; 3. The style is controlled by class, the slot allows custom menu content, and supports trigger and default slot expansion; 4. The command encapsulation of v-click-outside is used to optimize the closing logic and improve the interactive experience.
2025-07-18
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882
How to use Vue and Element-UI to make cascading drop-down menus
Article Introduction：The best way to build Vue and Element-UI cascaded drop-down menus is to use the el-cascader component directly. But to fully grasp it, you need to have a deep understanding of its tree data structure, asynchronous loading and virtual scrolling mechanisms. Common errors include incorrect data format, asynchronous loading errors, and performance issues. To optimize performance, consider appropriate data structures such as lazy loading, data preprocessing, and using Map.
2025-04-07
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441
Vue and Element-UI cascaded drop-down box paging function
Article Introduction：Vue and Element-UI cascaded drop-down boxes to implement paging function requires: asynchronous loading of data: gradually loading the next level of data according to user selection. Paging parameters: When requesting the server, pass paging parameters (page number, page size), and the server returns the paged data and total data volume. Pagination component: Use the el-pagination component of Element-UI to display the paging and update the paging properties based on the total data volume. Common errors: Handle asynchronous request errors to ensure that paging parameters are correctly passed and processed. Performance optimization: Consider virtual scrolling, data caching and reasonable data structure design.
2025-04-07
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443
How to manage focus in a Vue application for accessibility?
Article Introduction：Managing focus in Vue applications requires using ref to control focus, ensuring a reasonable tab order, processing dynamic content focus, and adding ARIA attributes. First, use ref to set the focus to specific elements, such as the input box in the modal box after the component is mounted; second, maintain the natural Tab order by semanticizing HTML tags and avoiding manual setting of tabindex; third, use life cycle hooks or watcher to adjust the focus position when dynamic content such as modal box or drop-down menu is displayed or hidden; finally, add aria-expanded, aria-label and other attributes to the component to improve the accessibility experience.
2025-07-23
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877
Vue and Element-UI cascaded drop-down box data verification
Article Introduction：Common problems with data verification of Vue and Element-UI cascaded drop-down boxes include: tree-like data structures, parent-child relationships, and asynchronous verification. The solution is: write verification logic in the parent component, listen to change events and write custom rules; pay attention to asynchronous verification, manually call the validateField or validate methods to update the verification state; optimize performance to avoid complex calculations; handle exceptions, such as network request failure; follow the readability principle and write concise and easy-to-understand code.
2025-04-07
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345
What is headless UI in Vue?
Article Introduction：HeadlessUIinVue refers to a library of UI components that provide no preset styles and only contains core logic and behavior. Its features include: 1. No style restrictions, developers can customize the design; 2. Focus on barrier-free and interactive logic, such as keyboard navigation, state management, etc.; 3. Support Vue framework integration, exposing the control interface through combinable functions or components. Reasons for use include: maintaining design consistency, built-in accessibility, strong component reusability, and lightweight library size. In practical applications, developers need to write HTML and CSS themselves. For example, when building a drop-down menu, the library handles state and interaction, while developers decide on visual presentation. Mainstream libraries include HeadlessUI and RadixVue for TailwindLabs, suitable for
2025-07-08
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196
Dave The Diver: How To Catch Spider Crabs
Article Introduction：In Dave The Diver, there are some creatures that are not easy to catch. Or, catch alive that is. The spider crab is one of those very species, making it seem like the only way to bring these crustaceans back up to land is to viciously crack them up w
2025-01-10
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835
Prepare for Interview Like a Pro with Interview Questions CLI
Article Introduction：Prepare for Interview Like a Pro with Interview Questions CLI
What is the Interview Questions CLI?
The Interview Questions CLI is a command-line tool designed for JavaScript learners and developers who want to enhance their interview
2025-01-10
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1465
Soft Deletes in Databases: To Use or Not to Use?
Article Introduction：Soft Deletes: A Question of DesignThe topic of soft deletes, a mechanism that "flags" records as deleted instead of physically removing them, has...
2025-01-10
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1068
