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The front-end uses JavaScript to implement a simple calculator, which is not difficult, but there are some small knowledge that should be paid attention to. It can be regarded as a review of basic knowledge. subject To realize a simple calculator, the requirements are as follows: 1. In the division operation, if the divisor is 0, the result i ...

preface A simple blog about learning SASS 1, Install SASS SASS is developed based on Ruby language, so we need to use SASS first Install RubyAfter installation, we can install SASS. Open the command line window and enter gem install sassThen test whether it is installed. On the command line, enter sass -v to display the version num ...

React basic learning notes (I) Reference: Teacher Wang Hongyuan's React React features – declarative programming Declarative programming: Declarative programming is the mode of the whole front-end development: Vue, React, fluent and SwiftUI; It allows us to only maintain our own state. When the state changes, React can render our UI ...

📢 Blog home page: 🏀 Bryant typing the code🏀 📢 Welcome to praise 👍 Collection ⭐ Leaving a message. 📝 Welcome to discuss! 👏 📢 This article was originally written by [Bryant who knocked the code], and was first launched in CSDN 🙉🙉🙉 📢 Since the blogger is learning Xiaobai, there will inevitably be mistakes. If you have any questions, ...

Project introduction The project is completed by using the object-oriented idea in ts language. preface After learning the TS project, it is a good choice to practice with this project. Here is a process of js - > ts. js is a process oriented language and TS is an object-oriented language. This is the biggest difference between the ...

What is React HOC? React HOC - Higher Order Component, also known as react's high-order Component, is usually implemented by a function that accepts one Component and outputs another, similar to Java's proxy mode. It implements some object decorators or interceptors in combination or other ways.To sum up, React HOC is essentially a function. T ...

preface Today's front-end wheels are bound to run away from packaging tools such as webpack and rollup. Webpack 5 has been out for a long time. Let's try it. The article will create a TS library from scratch and upload it to npm. The dimensions are in the order of operation steps. Create a new project package jsonInstall webpack a ...

Status of CSS3: 1.CSS3 new selector 1.1 attribute selector 1. The attribute selector can select elements according to the specific attributes of elements without the help of class or id selector 2. Match the above selector: ^Means to select the beginning, $select the end, * select any name <style> /* 1.It must be input, b ...

0 HBuilderX modify comments Path: root directory \ plugins \ theme default \ themes \ default File name: default XML file Modify color: 1. Getting started with Vue 1.1 what is Vue Vue (pronunciation / vju) ː/， Similar to view) is a progressive framework for building user interfaces. Unlike other large frameworks, Vue i ...

*** Describe yourself and your work experience (self introduction) Self introduction: prepare well before the interview and express it fluently and methodically during the interview. It should be a bonus. Background: 1. The interviewer has time to read your resume only when you introduce yourself. There are too many people to watch a ...