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- How to implement lazy loading in vue
- Lazy loading is a technique that allows resources to be loaded when needed. In Vue, you can use the v-lazy directive to implement lazy loading, which allows you to specify that resources should only be loaded when the element enters the viewport. By installing the Vue Lazyload plugin, registering the plugin, and using the v-lazy directive, you can customize various options, such as placeholder images and retries, to suit your specific needs.
- Vue.js 751 2024-05-09 13:18:20
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- How to dynamically bind class and style in vue
- In Vue, class names and styles can be dynamically bound through the v-bind directive. To bind a class name, use the v-bind:class directive to pass in an object or array. The true value in the object means that the corresponding class name is added to the element; to bind a style, use the v-bind:style directive to pass in the object and object key. Represents a CSS attribute, and the value represents the attribute value; the v-bind instruction can also pass in an array value, and each array element is an object or a string; when the bound data value changes, Vue will automatically update the class name or style of the element. Conveniently change the appearance of elements based on component state or user interaction.
- Vue.js 1289 2024-05-09 13:12:18
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- How to use jsdoc to generate documents in vue
- Summary: Using JSDoc to generate documentation in Vue can improve the readability and maintainability of the code. This can be achieved by installing JSDoc, configuring jsdoc.json, writing code comments and running commands.
- Vue.js 1532 2024-05-09 13:09:18
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- Why use components in vue
- Benefits of Vue components include: Reusability: Blocks of code can be reused in different Vue instances. Modularity: Encapsulate related functions and improve the modularity of applications. Encapsulation: Hide implementation details and keep the application clean. Maintainability: Independent maintenance makes it easy to update or fix the code. Testability: Can be independently tested to ensure components function as expected. Team collaboration: Allow team members to work in parallel to improve development efficiency. Performance Optimization: Decompose applications into small components and optimize the performance of large applications.
- Vue.js 936 2024-05-08 17:39:16
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- How to dynamically bind classes in vue
- Methods for dynamically binding Class in Vue include: 1) class array binding; 2) object binding; 3) function binding; 4) combining arrays and objects. These methods can dynamically show, hide, or switch classes based on data, and apply different classes based on conditions.
- Vue.js 717 2024-05-08 17:36:18
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- Why are some methods in vue bright and some dark?
- The light and dark state of a method in Vue indicates the binding relationship between the method and the Vue instance. The light method is bound to the Vue instance and can access and respond to instance data and changes; the dark method is unbound and cannot access instance data and changes. Methods can be bound via the options API or the template compiler, and unbound in the same way.
- Vue.js 1323 2024-05-08 17:33:16
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- What is the role of export default in vue
- The purpose of export default in Vue: export components, such as MyComponent.vue, for code reuse and modularization. Export directives, such as myDirective.js, are used to enhance Vue component functionality. Export other JavaScript modules, such as dataModel.js, for exporting data models, utility functions, or services.
- Vue.js 860 2024-05-08 17:30:28
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- The difference between export and export default in vue
- There are two ways to export modules in Vue.js: export and export default. export is used to export named entities and requires the use of curly braces; export default is used to export default entities and does not require curly braces. When importing, entities exported by export need to use their names, while entities exported by export default can be used implicitly. It is recommended to use export default for modules that need to be imported multiple times, and use export for modules that are only exported once.
- Vue.js 1015 2024-05-08 17:27:18
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- What files are stored in the src directory in vue?
- The src directory in Vue is used to store application source code and asset files, including JavaScript, Vue components, TypeScript code, images, style sheets, fonts, and localization files to organize and maintain application code.
- Vue.js 1274 2024-05-08 17:24:16
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- How to introduce pictures in vue
- There are two main ways to introduce images in Vue: Relative paths: Place the image in the same directory as the Vue component, using relative path references. Absolute path: Use absolute paths to reference images starting from the project root directory.
- Vue.js 816 2024-05-08 17:21:14
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- What is the hook function in vue
- Hook functions are special functions called at different stages of the Vue life cycle. Main hook functions: beforeCreate(), created(), beforeMount(), mounted(), beforeUpdate(), updated(), beforeDestroy(), destroyed(). How to use: Define hook functions in component options and execute custom logic at specific lifecycle stages. Purpose: Initialize data, perform asynchronous operations, monitor status changes, perform cleanup operations, etc. Note: The execution order is the same as the definition order, it cannot be called asynchronously, and can be inherited and overridden by sub-components.
- Vue.js 1080 2024-05-08 17:18:20
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- What are the hook functions in vue
- Hook functions in Vue allow developers to perform custom tasks during the component life cycle. The main hook functions include: life cycle hooks (beforeCreate, created, beforeMount, mounted, beforeUpdate, updated, beforeDestroy, destroyed) other hooks (errorCaptured, renderTracked, renderTriggered, activated, deactivated)
- Vue.js 397 2024-05-08 17:15:25
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- How to use mounted in vue
- The mounted hook of Vue.js is called after the component is inserted into the DOM for the first time and is used to perform: 1. AJAX requests; 2. Initialization of third-party libraries; 3. Element operations; 4. Event subscription; 5. Timer settings. Specific examples include getting data, setting event listeners, initializing jQuery, etc.
- Vue.js 1267 2024-05-08 17:09:18
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- The role of $mount in vue
- The $mount() method mounts the Vue instance into the DOM element and performs the following steps: compile the template; create the element; bind data; insert into the DOM.
- Vue.js 1041 2024-05-08 17:06:16
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- The difference between $mount and el in vue
- $mount and el in Vue are used to render the Vue instance into the DOM. $mount is an instance method that allows mounting and remounting at any time, and el is an option to specify the mount target element when creating the instance. Once specified Cannot be changed.
- Vue.js 1209 2024-05-08 17:03:16
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