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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.

May 27, 2023 pm 05:47 PM

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.

May 27, 2023 pm 05:44 PM

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

May 27, 2023 pm 05:43 PM

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(

May 27, 2023 pm 05:35 PM

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.

May 27, 2023 pm 05:34 PM

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

May 27, 2023 pm 05:32 PM

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.

May 27, 2023 pm 05:24 PM

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

May 27, 2023 pm 05:23 PM

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

May 27, 2023 pm 05:18 PM

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

May 27, 2023 pm 05:16 PM

Is vue necessary to learn?

Vue is a popular development framework that is widely used in web development. Developed by Evan You in 2014, Vue is a lightweight JavaScript framework for creating single-page applications (SPA) and reusable UI components. It has excellent performance, ease of use, and simple API. So, is Vue necessary to learn? Let’s explore it. First, we need to clarify what must be learned. If you want to become a web developer, knowing how to use Vue is definitely a must. Vue not only has a wide range of

May 27, 2023 pm 05:12 PM

nodejs koa secure deployment

Preface Node.js is a very popular event-driven JavaScript running environment. It is characterized by efficiency, scalability, and cross-platform. Koa is a lightweight Node.js web framework that uses the ES6 generator to make asynchronous code writing more concise. In actual applications, we often need to deploy Node.js applications. This article will introduce in detail how to deploy Koa applications safely. HTTPS In a production environment we should use

May 27, 2023 pm 05:09 PM

Manually install nodejs on linux

Manually install Node.js on Linux Node.js is a JavaScript runtime environment based on the Chrome V8 engine. It enables server-side development by allowing JavaScript code to run on the server side. This article explains how to manually install Node.js on Linux. Preparation before installation Before installing Node.js, you need to ensure that build-essential and libssl-dev are installed on the system. OK

May 27, 2023 pm 05:02 PM

vue does not execute when leaving the page

Vue.js is a popular JavaScript framework that helps developers build efficient, maintainable, and scalable single-page applications. However, when using Vue.js, you may sometimes encounter the problem of leaving the page but not executing it, which may cause some adverse effects. This article will explore the causes and solutions to this problem. 1. Problem Description In a Vue.js application, we may use some life cycle hook functions to perform specific operations. For example, when the page is destroyed, we might `before

May 27, 2023 pm 05:01 PM