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- How to use computed in vue
- Computed properties in Vue.js are functions that calculate and return a derived value. They are used to: Calculate values based on other reactive data. Use reactive functions to access other reactive properties or components. Reactive: Automatically updates to reflect changes in dependent properties. Efficient: only recalculate when dependent properties change. Reusable: can be reused by other components or computed.
- Vue.js 868 2024-04-30 01:15:22
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- Usage of methods in vue
- Methods in Vue.js are objects that define component methods, used to create custom functions that can be called by templates or other methods. It provides reusability, readability, and testability.
- Vue.js 735 2024-04-30 01:12:15
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- The role of routing in vue
- Routing in Vue.js is a system for managing page navigation in a single-page application (SPA), providing the following main functions: Declarative navigation, allowing you to declare your program's routes in a separate file. Page switching for seamless navigation between different parts of the application. Path parsing, which parses the current URL and determines which component to render. URL management, ensuring the correct URL is associated with a specific page. State management, integrated with the state management library, allows you to share and maintain state between different pages. Route guards that allow you to perform specific actions before and after navigation. Nested routing supports the creation of hierarchical routing structures, organizing complex applications and managing page relationships.
- Vue.js 432 2024-04-30 01:09:17
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- The difference between computed and watch in vue
- In Vue, computed is used to dynamically calculate values based on other reactive data, while watch is used to trigger functions when specific reactive data changes.
- Vue.js 919 2024-04-30 01:03:17
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- How to implement mvvm architectural pattern in vue
- The MVVM (Model-View-ViewModel) architectural pattern is used in Vue.js to build responsive web applications. This architectural pattern consists of the following components: Data Model: A JavaScript object that holds application data. View template (View): HTML template that renders the model. ViewModel: A JavaScript object that connects models and views. Through data binding, the view model monitors changes to the model and updates the view. This architecture makes applications more maintainable, responsive, scalable, and readable.
- Vue.js 915 2024-04-30 01:00:29
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- How to use custom instructions in vue
- Vue.js custom directives provide the following functionality: declarative directives, via the Vue.directive() method and an options object. Define command options, including callback functions for binding, inserting, updating, component update, and unbinding. Apply a directive using the v- prefix and directive name. Pass parameters to provide data. Use the example to create a background color directive that turns a div element red.
- Vue.js 895 2024-04-28 00:21:51
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- What are the ways to customize instructions in vue
- Methods to customize Vue directives include: 1. Global directives, registered through Vue.directive(); 2. Local directives, using v-directive directive syntax in templates; 3. In-component directives, registered in the directives option of the component. Each instruction has hook functions such as bind, inserted, update, componentUpdated, and unbind, which are used to execute code during the different life cycles of the instruction.
- Vue.js 375 2024-04-28 00:21:33
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- Which one is executed first, watch or mounted in vue?
- mounted is executed first. The execution order of Vue life cycle hooks is: created, beforeMount, mounted, watch, beforeUpdate, updated, beforeDestroy, destroyed; the mounted hook is executed before the watch option.
- Vue.js 501 2024-04-28 00:21:12
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- The difference between watch and computed in vue
- In Vue, watch is used to observe data changes and execute callback functions, while computed is used to create calculated properties based on other responsive data.
- Vue.js 796 2024-04-28 00:18:29
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- Which one is executed first, watch or created in vue?
- In Vue, the created() life cycle hook is executed before watch(). created() is used to initialize state and data, and watch() is used to update the UI or perform other operations in response to data changes.
- Vue.js 1189 2024-04-28 00:18:12
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- The role of watch in vue
- Watch in Vue.js is used to monitor changes in reactive data properties and execute callback functions. The specific method of use is to use the watch option in the Vue instance to specify a map or array of expressions. Each change in the expression or change in the array elements will trigger the corresponding callback function. Benefits of watch include reactive change detection, callback functions, initial load triggering, and multiple usage scenarios such as loading data, updating DOM, and handling array changes.
- Vue.js 717 2024-04-28 00:16:00
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- The role of filters in vue
- A filter in Vue.js is a function that formats or transforms data so that it is presented in a template in a more readable and understandable way, without modifying the underlying data itself.
- Vue.js 456 2024-04-28 00:15:44
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- What are filters used to define in vue?
- Vue filters are used to format or transform data so that it displays in a better way when rendering. They can format dates, times, currencies, convert text, and filter arrays or objects. Vue provides built-in filters, and you can also create custom filters, which helps simplify templates and improve code maintainability.
- Vue.js 663 2024-04-28 00:15:24
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- Steps to use plug-ins in vue
- Steps to use plugins in Vue: Install plugins via npm or yarn. Register the plugin using Vue.use() in the Vue instance's beforeCreate hook. Access the functionality provided by the plugin through a Vue instance or this.$. Optional: Configuration options can be passed via the second argument to Vue.use().
- Vue.js 730 2024-04-28 00:12:46
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- How to use HTUI in vue
- HTUI is a lightweight, modern Vue.js UI library. It provides a set of components for building Vue.js applications that simplify development and enhance user experience. Components include buttons, input boxes, selectors, tables, and pop-ups. HTUI supports theme customization and provides a default theme. The advantages of using HTUI to build Vue.js applications include being lightweight, modern, easy to use, and flexible and customizable.
- Vue.js 923 2024-04-28 00:12:31
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