current location：Home > Technical Articles > Web Front-end > Vue.js
- Direction：
- All web3.0 Backend Development Web Front-end Database Operation and Maintenance Development Tools PHP Framework Common Problem Other Tech CMS Tutorial Java System Tutorial Computer Tutorials Hardware Tutorial Mobile Tutorial Software Tutorial Mobile Game Tutorial
- Classify：
-
- What does el in vue mean?
- el is an option in Vue.js that specifies mounting DOM elements. Its functions include: DOM mount point, specifying the location where the Vue instance creates and manages DOM elements. Life cycle management, the Vue instance life cycle is bound to the el element life cycle. Data binding, the HTML in the el element can be bound to Vue instance data to achieve dynamic DOM updates.
- Vue.js 1198 2024-04-30 01:24:16
-
- What is the implementation of two-way data binding in vue based on?
- Two-way data binding in Vue is implemented through the reactive system and publish-subscribe model: Reactive system: Use Object.defineProperty() and Proxy API to track property changes and trigger the update function to update the DOM. Publish-subscribe model: When the properties of a responsive object change, the associated observers (components, instructions, templates) are notified, and the observers update the status and UI according to the notification.
- Vue.js 898 2024-04-30 01:21:15
-
- 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 1271 2024-04-30 01:15:22
-
- 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 863 2024-04-30 01:12:15
-
- 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 559 2024-04-30 01:09:17
-
- 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 1025 2024-04-30 01:03:17
-
- 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 1097 2024-04-30 01:00:29
-
- 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 993 2024-04-28 00:21:51
-
- 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 485 2024-04-28 00:21:33
-
- 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 846 2024-04-28 00:21:12
-
- 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 920 2024-04-28 00:18:29
-
- 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 1313 2024-04-28 00:18:12
-
- 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 831 2024-04-28 00:16:00
-
- 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 672 2024-04-28 00:15:44
-
- 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 776 2024-04-28 00:15:24
Recommended Articles
Tool Recommendations
jQuery enterprise message form contact code
jQuery enterprise message form contact code is a simple and practical enterprise message form and contact us introduction page code.
form button
2024-02-29
HTML5 MP3 music box playback effects
HTML5 MP3 music box playback special effect is an mp3 music player based on HTML5 css3 to create cute music box emoticons and click the switch button.
Player special effects
2024-02-29
HTML5 cool particle animation navigation menu special effects
HTML5 cool particle animation navigation menu special effect is a special effect that changes color when the navigation menu is hovered by the mouse.
Menu navigation
2024-02-29
jQuery visual form drag and drop editing code
jQuery visual form drag and drop editing code is a visual form based on jQuery and bootstrap framework.
form button
2024-02-29
Organic fruit and vegetable supplier web template Bootstrap5
An organic fruit and vegetable supplier web template-Bootstrap5
Bootstrap template
2023-02-03
Bootstrap3 multifunctional data information background management responsive web page template-Novus
Bootstrap3 multifunctional data information background management responsive web page template-Novus
backend template
2023-02-02
Real estate resource service platform web page template Bootstrap5
Real estate resource service platform web page template Bootstrap5
Bootstrap template
2023-02-02
Simple resume information web template Bootstrap4
Simple resume information web template Bootstrap4
Bootstrap template
2023-02-02
Cute summer elements vector material (EPS PNG)
This is a cute summer element vector material, including the sun, sun hat, coconut tree, bikini, airplane, watermelon, ice cream, ice cream, cold drink, swimming ring, flip-flops, pineapple, conch, shell, starfish, crab, Lemons, sunscreen, sunglasses, etc., the materials are provided in EPS and PNG formats, including JPG previews.
PNG material
2024-05-09
Four red 2023 graduation badges vector material (AI EPS PNG)
This is a red 2023 graduation badge vector material, four in total, available in AI, EPS and PNG formats, including JPG preview.
PNG material
2024-02-29
Singing bird and cart filled with flowers design spring banner vector material (AI EPS)
This is a spring banner vector material designed with singing birds and a cart full of flowers. It is available in AI and EPS formats, including JPG preview.
banner picture
2024-02-29
Golden graduation cap vector material (EPS PNG)
This is a golden graduation cap vector material, available in EPS and PNG formats, including JPG preview.
PNG material
2024-02-27
Home Decor Cleaning and Repair Service Company Website Template
Home Decoration Cleaning and Maintenance Service Company Website Template is a website template download suitable for promotional websites that provide home decoration, cleaning, maintenance and other service organizations. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-05-09
Fresh color personal resume guide page template
Fresh color matching personal job application resume guide page template is a personal job search resume work display guide page web template download suitable for fresh color matching style. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-29
Designer Creative Job Resume Web Template
Designer Creative Job Resume Web Template is a downloadable web template for personal job resume display suitable for various designer positions. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28
Modern engineering construction company website template
The modern engineering and construction company website template is a downloadable website template suitable for promotion of the engineering and construction service industry. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28
