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- What is the essence of components in vue
- Vue components are reusable, independent, encapsulated JavaScript objects that include data, templates, and methods. Components provide reusability, independence, maintainability, and extensibility. There are single file components (SFC) and multi-file components in Vue. When a component is added to a Vue instance, it is created as an instance, containing its data, methods, and a reference to the template.
- Vue.js 885 2024-04-27 23:45:26
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- How to layout components in vue
- There are four ways to layout components in Vue: inline styles, and applying styles directly on the element. CSS classes that allow styles to be reused across multiple components. CSS Modules, generate scoped CSS classes that only affect specific components. CSS preprocessor to simplify typesetting. When choosing an approach, consider style complexity, reusability, and code simplicity.
- Vue.js 811 2024-04-27 23:42:54
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- What do components in vue mean?
- Components in Vue are code reuse mechanisms, including the following functions: Code reuse: Reuse code blocks to improve efficiency. Modularization: Decompose the application into modules to improve maintainability. Collaboration: Make it easy for developers to collaborate and share code. Extensibility: Easily create or customize components to expand application functionality.
- Vue.js 970 2024-04-27 23:42:35
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- What does mounting mean in vue
- Mounting in Vue refers to the process of rendering a Vue instance to the DOM. It involves: creating a Vue instance and specifying the mounting element. Calling the $mount() method. During mounting, Vue will compile the template, bind data, update the DOM and trigger mounted Lifecycle hooks, allowing Vue instances to respond to data changes and create interactive applications.
- Vue.js 1018 2024-04-27 23:42:17
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- There are several types of components in vue
- Vue component types include: Basic components: built into the Vue core, providing basic functions such as data binding, conditional rendering, and event handling. Custom components: Components created by developers to reuse code and improve maintainability. First-party components: components developed by third parties, providing functions such as UI libraries and chart libraries.
- Vue.js 1060 2024-04-27 23:39:49
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- How to use the filter function in vue
- The filter function of Vue.js is used to format data and display it in a specific format in the view. It can receive a conversion function as a parameter. Usage: {{ value | filterName }}. Multiple filters can be connected in series, and custom filters can be registered on the instance or globally.
- Vue.js 804 2024-04-27 23:39:36
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- Usage and function of filter in vue
- The filter in Vue.js is a parser used to format or convert data. It can be used in the Vue.js template by using the pipe symbol (|) followed by the filter name and parameters. It is used to format data, convert data, and reuse code and improve code readability.
- Vue.js 1198 2024-04-27 23:39:19
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- How to use filter in vue
- Filters are a Vue.js tool for formatting and transforming data and can be applied to strings, arrays, and objects. Common filters include uppercase (uppercase), lowercase (lowercase) and date (date). Custom filters can be registered through Vue.filter(). Filters can be chained together to implement complex transformations, but the performance impact when working with large amounts of data should be considered.
- Vue.js 774 2024-04-27 23:36:47
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- Can filters be assigned values in Vue?
- Filters in Vue.js cannot be assigned a value, they are read-only properties that modify the incoming value but do not change the original value. Filters work by creating a function that receives an input value and returns a modified value, then applies the filter to an expression, using the |'|' symbol to separate the filter from the value. Vue.js automatically passes the value in the expression to the filter function and replaces the original value with the return value.
- Vue.js 1204 2024-04-27 23:36:31
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- How to create custom instructions in vue
- Use the Vue.directive() method to create a custom directive in Vue. The directive name starts with the v- prefix. The directive options include life cycle hooks such as bind, inserted, update, componentUpdated, and unbind, which are used to operate DOM elements at different stages. Parameters can be accepted. Add a colon (: parameter name) after the command name to specify the parameters.
- Vue.js 582 2024-04-27 23:33:53
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- In what form does the page structure exist in Vue?
- Page structure exists in the form of components in Vue. Components are reusable blocks of code that define specific elements or areas on the page, including local components (defined within a single Vue file) and global components (defined outside a Vue instance).
- Vue.js 443 2024-04-27 23:33:35
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- The role of computed in vue
- Computed properties in Vue.js are used to dynamically calculate values for caching, responsiveness, readability, optimized rendering performance, and simplified templates. It relies on the values of other properties for calculations and automatically updates when dependencies change, optimizing performance and simplifying code.
- Vue.js 1060 2024-04-27 23:33:18
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- The instruction to implement two-way data binding in vue is
- The directive that implements two-way data binding in Vue is v-model. It implements binding by updating data properties and input controls. Usage: 1. Define a data attribute to store the input value. 2. Apply v-model to the input control. Advantages: Simplify data binding, improve development efficiency, and improve user experience.
- Vue.js 1337 2024-04-27 23:30:59
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- The function and principle of key in vue
- The role of key in Vue is to track the unique identity of list elements to optimize update performance and ensure correct deletion. The principle is to use key as an identifier in the virtual DOM node and compare the old and new keys to update only the elements that have changed, or delete elements with different keys. Best practices include giving each element a unique key, using stable values (such as IDs), and avoiding indexes.
- Vue.js 1153 2024-04-27 23:30:45
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- The instruction for attribute binding in vue is
- The attribute binding directive in Vue is v-bind, which allows dynamic binding of Vue data to HTML attributes. It is used as follows: use v-bind:attributename="expression", where attributename is the attribute name and expression is the JavaScript expression of data. Can be abbreviated to :attributename="expression". Note that the camelCase attribute needs to be converted to hyphenated form.
- Vue.js 884 2024-04-27 23:30:27
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