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- The role of three points in vue
- Three dots (...) in Vue.js are used to: expand arrays or objects, merge objects, distribute properties, improve code readability, simplify data processing, and enhance component reusability.
- Vue.js 1235 2024-05-08 14:57:17
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- Can v-if and v-for be used together in vue?
- Yes, v-if and v-for can be used together. Nest v-if inside v-for. v-for has higher priority than v-if, so v-if only takes effect on elements rendered by v-for. This allows conditional rendering of specific elements in a loop.
- Vue.js 1072 2024-05-07 12:42:15
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- The difference between v-if and v-for in vue
- v-if and v-for have different functions in Vue.js: v-if renders elements based on conditions, and the syntax is <div v-if="condition"></div>. v-for iterates through the collection and renders copies of multiple elements, the syntax is <div v-for="item in array"></div>.
- Vue.js 1299 2024-05-07 12:39:16
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- What does v-bind mean in vue
- The v-bind directive in Vue.js binds data to attributes of HTML elements to dynamically update the DOM, improving performance and maintainability. Specific usage: Add the v-bind prefix before the element attribute and specify the path of the Vue instance data, such as <div v-bind:id="myId">. The benefits of v-bind include dynamically updating the DOM, improving performance, and improving maintainability. It differs from the : directive in the directive syntax, and it is recommended to use the full v-bind syntax.
- Vue.js 647 2024-05-07 12:33:18
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- How to use keepalive in vue
- Keepalives in Vue are used to cache component instances to maintain their state. They can be used by wrapping Keepalive components around child components. Key benefits include: state preservation, performance optimization, and data recovery. Keepalive supports include, exclude, max, and deactivationHook attributes, and is suitable for scenarios where state needs to be maintained, performance optimized, or user input restored.
- Vue.js 1217 2024-05-07 12:27:16
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- What does prop in vue mean?
- Prop is a property in Vue.js that passes parent component data or methods to child components. It allows child components to access the state of the parent component. Prop is defined in the child component and can use data types such as Boolean values, strings, numbers, arrays, objects or functions. Required and default values can be set, but modifying the Prop value in the child component will not affect the original value of the parent component. , because Props are all one-way bound. The advantages of Props include increased component reusability, ease of understanding and maintenance, and reduced parent-child component coupling.
- Vue.js 1226 2024-05-07 12:24:16
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- What does the props option in vue do?
- In Vue, the props option is used to pass data from parent components to child components. Its main function is to achieve data sharing, maintain one-way data flow, and improve code readability. Declare the properties to be passed in the parent component and receive these properties in the child component. In addition, the props option also supports type verification, which can specify attribute types, default values, and verification rules to ensure data consistency and security.
- Vue.js 502 2024-05-07 12:18:15
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- How to introduce non-es6js files into vue
- Introducing non-ES6 JS files into Vue can be achieved by creating and setting the src attribute to point to the script tag of the file path, and setting the type attribute to "text/javascript". If your non-ES6 JS file exports a CommonJS module, you need to assign it to the export default object using Object.assign.
- Vue.js 960 2024-05-07 12:15:23
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- How to use less in vue
- Use LESS in Vue.js to enhance your CSS writing experience. Requires less-loader and less dependencies to be installed. Use the <style lang="less"> block to write LESS styles in your .vue file. LESS provides features such as variables, nested rules, mixins, and operations. But be aware that LESS has been gradually deprecated and it is recommended to use alternatives such as Sass or PostCSS.
- Vue.js 1226 2024-05-07 12:09:17
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- Can less files in vue introduce data?
- Yes, Less files in Vue can introduce data through CSS variables and Less mixins: create a JSON file containing data. Import JSON files using the @import rule. Access JSON data using CSS variables or Less mixins.
- Vue.js 1275 2024-05-07 12:06:14
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- How to use less style in vue
- Using LESS styles in Vue improves code maintainability and extensibility, specifically: Install the LESS compiler and LESS language plugin. Use lang="less" in the .vue file to specify the LESS style. Configure webpack in the Vue.js configuration file to compile LESS to CSS. The main advantages of the LESS style include: Using variables enhances maintainability and reusability. Use blending to simplify the use of repeating styles. Use functions to easily handle color and style manipulation.
- Vue.js 945 2024-05-07 12:03:18
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- How to bind events to tags in vue
- In Vue.js, you can bind event listeners to labels through the v-on directive. The syntax is v-on:<event-name>="handler", which supports specifying event names, event modifiers and dynamic event names.
- Vue.js 1346 2024-05-07 11:57:16
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- What does dom mean in vue?
- The DOM in Vue is a hierarchy of HTML elements for a web page, which allows developers to programmatically interact with these elements. Through the DOM, developers can manipulate HTML structure, bind data, respond to events, and perform DOM operations such as getting and setting element attributes, styles, and content.
- Vue.js 1440 2024-05-07 11:54:14
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- The principles and differences between hash and history in vue
- The difference between routing modes in Vue: Hash: uses URL fragments to manage state, does not send HTTP requests, is not SEO friendly, has faster navigation, and allows cross-domain. History: Use browser history API to manage state, send HTTP requests, SEO friendly, update browser history, restrict cross-domain.
- Vue.js 863 2024-05-07 11:51:17
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- Which one should be used for hash and history in vue?
- Vue routing mode selection criteria: Compatibility: Hash mode is more compatible with older browsers. Refresh behavior: Hash mode refresh does not reset routing state. Server configuration: The server needs to support HTML5 History API, otherwise Hash mode is used. SEO: History mode is more conducive to SEO. Bookmarks: History mode bookmarks are normal, Hash mode bookmarks may be invalid. Recommendation: History mode is better in most cases, Hash mode is a fallback option in restricted situations.
- Vue.js 1180 2024-05-07 11:48:16
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