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- Why is the initial value in vue in data?
- Vue is a popular JavaScript framework that makes it easier for developers to interact with pages and provides a simple way to manage and update data in the page. In Vue, the initial value is usually stored in the component's data property. So why should the initial value be stored in data? This article will delve into this issue. First, let's take a look at the basic structure of a Vue component. A Vue component usually contains three parts: template, script and style. Among them, the template describes the appearance and interaction mode of the component; the script
- Front-end Q&A 751 2023-05-27 17:56:38
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- Which one has better concurrency, nodejs or java?
- Node.js and Java are two widely used programming languages. They both have a wide range of application scenarios and user groups, including high-concurrency fields. In high-concurrency scenarios, choosing which programming language can handle a large number of requests quickly and efficiently is crucial to the success of the project and user experience. Therefore, this article will explore the high concurrency capabilities of Node.js and Java, and compare and analyze them from multiple angles. First, let’s have a brief introduction to the concepts of Node.js and Java. Node.js is a base
- Front-end Q&A 1406 2023-05-27 17:56:08
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- How to name vue
- In Vue development, naming is an important key point. Good naming conventions can greatly improve the readability and maintainability of the code. The following will introduce some Vue naming precautions and recommended specifications. 1. Component naming Vue components should use camel case naming, for example: ```// Vue.component('myComponent', { // ...})// Vue.component('MyComponent', { is not recommended) // ...})```
- Front-end Q&A 636 2023-05-27 17:54:38
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- How to unplug the vue framework
- The Vue framework is a very popular front-end development framework. It has powerful two-way data binding, component development, routing management, state management and other features. These are all necessary functions for developers to implement modern web applications. However, sometimes we need to unplug the Vue framework from our application, which may be due to the following reasons: 1. Reduce application size and improve loading speed 2. Better flexibility and customizability 3. Compatible with other frameworks or Libraries In this article, we will discuss how to unplug the Vue framework from your app and use other frameworks
- Front-end Q&A 583 2023-05-27 17:52:39
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- nodejs implements http file download
- Node.js is an open source, cross-platform JavaScript runtime environment that allows JavaScript code to run on the server. In Node.js, we can easily create a simple http server through the http module, and realize the file download function by reading local files. This article will introduce how to use Node.js to implement http file download. 1. Create an http server. You can create an http server very easily using the http module of Node.js. Code
- Front-end Q&A 1293 2023-05-27 17:48:38
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- Nodejs realizes mobile phone number registration
- With the development of the Internet, more and more applications require users to register before they can be used. The popularity of mobile devices and the trend of mobility have made mobile phone numbers one of the preferred methods for user registration. Therefore, it is very important to master how to use nodejs to register mobile phone numbers. 1. Preparation work Before using nodejs to implement mobile phone number registration, you first need to install the nodejs environment. nodejs is a JavaScript running environment based on the Chrome V8 engine, which can run JavaScript on the server side.
- Front-end Q&A 626 2023-05-27 17:47:40
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- How to change the color in vue
- Vue is a popular front-end framework that allows you to quickly build modern, interactive web applications. In the process of web application development, changing the color of components is a very common requirement. Let me introduce how to change the color in Vue. 1. Directly modify the style attributes. Vue can directly access the DOM elements of each component, so you can change the color of the component by modifying the CSS attributes of the DOM elements. For example, we can use Vue's ref attribute to obtain the DOM element of the component, and then modify its style attribute.
- Front-end Q&A 1657 2023-05-27 17:44:09
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- vue fuzzy query keyword plus color
- Vue is a very popular JavaScript framework, and one of its important features allows developers to easily build interactive and dynamic web applications. Vue's fuzzy query function makes searching very convenient and can also help developers improve user experience. This article will mainly introduce the implementation method of adding color to keywords in Vue fuzzy query. Fuzzy query means that in a data collection, by inputting certain conditions (such as text, numbers, dates, etc.), the data that matches the conditions can be searched. In Vue we can use v-mod
- Front-end Q&A 733 2023-05-27 17:43:39
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- What functions does nodejs uuid have?
- Node.js UUID: Introduction and Common Functions A UUID (Universally Unique Identifier) is a 36-character string commonly used to uniquely identify an object. In Node.js, use the uuid module to easily generate and manipulate UUIDs. This article will introduce the common functions of the uuid module, including generating UUID, verifying the format of UUID, extracting UUID information from strings, etc. 1. Generate UUID1.1 uuid.v1()uuid.v1(
- Front-end Q&A 820 2023-05-27 17:35:11
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- How to get the request address in nodejs
- Node.js is a server-side JavaScript runtime environment based on the Chrome V8 JavaScript engine. In many web applications, we need to obtain the request address in order to perform corresponding logical processing. This article will briefly introduce the method of obtaining the request address in Node.js. I hope it will be helpful to everyone. 1. How to obtain the request address In Node.js, you can use req.url to obtain the request address. req is a core module of Node.js and represents the relevant information of the current request.
- Front-end Q&A 1589 2023-05-27 17:34:38
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- Is vue suitable for b-side applications?
- Vue is an open source JavaScript framework that is becoming increasingly popular in modern web development. As Vue continues to grow, more and more companies are beginning to consider applying it to their B-side products. Exploring whether Vue is suitable for B-side applications has become the focus of many companies. This article will discuss the advantages and disadvantages of Vue in B-side applications, as well as applicable scenarios and implementation methods. 1. Advantages of Vue in B-side applications 1. Easy to learn and use Compared with other frameworks, Vue has a relatively low learning curve and rich documentation and tutorials, so employees
- Front-end Q&A 596 2023-05-27 17:32:08
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- vue array is not enumerable
- Vue.js is a popular front-end framework that many developers choose to use to build complex web applications. In Vue.js, you can use arrays to store and manage data. However, some developers may encounter a problem: array properties cannot be tracked by Vue.js. This is because Vue.js can only track changes to object properties, not array methods. In other words, if you use some methods of arrays, Vue.js cannot detect these changes because these methods return a new array instead of modifying it.
- Front-end Q&A 501 2023-05-27 17:24:09
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- How to make calls between vue components
- Vue is a very popular JavaScript framework in modern web development, of which components are a very important part. In Vue, components can be reused, and communication between components is also a problem often encountered in development. This article will introduce the communication issues between Vue components and explore in detail how to "make calls" between Vue components. 1. Communication between Vue components In Vue, communication between components is mainly divided into two ways: parent-child component communication and non-parent-child component communication. 1. Parent-child component communication In the Vue component, the parent component can
- Front-end Q&A 1030 2023-05-27 17:23:08
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- vue loses focus check
- Vue.js is a popular JavaScript framework that is widely used to develop single-page applications and dynamic web applications. It is simple, flexible, and efficient. In the development of Vue.js applications, it is often necessary to implement the focus loss check function to ensure the correctness of user input data. This article will introduce how Vue.js implements the lost focus inspection function. Vue.js form validation Vue.js provides many form validation functions, which can easily verify input data. Vue.js form validation can be done by
- Front-end Q&A 1069 2023-05-27 17:18:10
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- vue elementui button style modification
- Vue.js is a JavaScript framework for building interactive web applications, while ElementUI is a UI framework based on Vue.js. As one of the commonly used front-end UI frameworks, ElementUI provides many components that are convenient for developers to use. The button component is what we usually use, but sometimes the default button style may not meet the requirements of the project or needs. At this time we You need to modify the button style. This article will introduce how to use styles to modify button styles. ElementU
- Front-end Q&A 3395 2023-05-27 17:16:07
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