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  • Let’s talk about how to obtain data in advance in Angular Route

    Let’s talk about how to obtain data in advance in Angular Route

    How to get data in advance in Angular Route? The following article will introduce to you how to obtain data in advance from Angular Route. I hope it will be helpful to you!
    2022-07-21
  • Briefly understand the bubbling, delegation, binding and propagation of JavaScript events

    Briefly understand the bubbling, delegation, binding and propagation of JavaScript events

    This article brings you relevant knowledge about JavaScript, which mainly organizes issues related to bubbling, delegation, binding and propagation of JavaScript events, including bubbling events, delegation events, and binding events through addEventList
    2022-07-21
  • Is webpack based on node.js?

    Is webpack based on node.js?

    webpack is based on node.js. Webpack is a static module packaging tool for modern JavaScript applications. It is developed based on node.js. It requires node.js component support when using it. It needs to be installed using npm or cnpm, and the syntax is
    2022-07-21
  • What is node.js gm

    What is node.js gm

    gm is an image processing plug-in based on node.js. It encapsulates the image processing tools GraphicsMagick (GM) and ImageMagick (IM) and can be called using spawn. The gm plug-in is not installed by default in node. You need to execute "npm instal
    2022-07-21
  • Detailed introduction to the basic concepts and usage of Promise in JavaScript

    Detailed introduction to the basic concepts and usage of Promise in JavaScript

    This article brings you relevant knowledge about JavaScript. It mainly organizes the basic concepts of Promise and related issues about how to use it, including the basic concepts of Promise, using Promise to solve callback hell, etc. Let’s take a look at
    2022-07-21
  • Let’s talk about height design in responsive web pages. Do you need to reduce the height of the browser?

    Let’s talk about height design in responsive web pages. Do you need to reduce the height of the browser?

    When you see this title, you may think that there is another typo, responsive height design? Are you serious? Because "responsive web design" typically checks browsers on multiple widths and device sizes. We generally adjust horizontal responsiv
    2022-07-20
  • What is the difference between the old and new life cycles of react

    What is the difference between the old and new life cycles of react

    The difference between the old and new life cycles of react: 1. Three will hooks have been removed from the new life cycle, namely componentWillMount, componentWillReceiveProps, and componentWillUpdate; 2. Two new hooks have been added to the new life cyc
    2022-07-20
  • What are parent-child components in react

    What are parent-child components in react

    In the mutual calls between react components, the caller is called the parent component and the callee is called the child component. Values ​​can be passed between parent and child components: 1. When a parent component passes a value to a child componen
    2022-07-20
  • what is react conditional rendering

    what is react conditional rendering

    In React, conditional rendering refers to rendering under specified conditions. If the conditions are not met, no rendering will be performed; that is, the content of the interface will display different content according to different situations, or decid
    2022-07-20
  • What is react? What is Ant Design?

    What is react? What is Ant Design?

    React is a JavaScript development framework launched by Facebook for building user interfaces. It is mainly used to build UIs, making it easy to create interactive UIs. Ant Design is a UI component developed by the Alibaba Ant Financial team based on Reac
    2022-07-20
  • What is the fs module in node

    What is the fs module in node

    In node, the fs module refers to the "file system module", which is a module used to operate files. Most APIs of the fs module provide three operating methods: 1. Synchronous file operation: the code will be blocked and will not continue to exec
    2022-07-20
  • There are several types of streams in node

    There are several types of streams in node

    There are 4 types of node streams: 1. Readable (readable stream). The "_read" method needs to be implemented to return content; 2. Writable (writable stream), the "_write" method needs to be implemented to accept content; 3. Duplex (re
    2022-07-19
  • What are the three mainstream frameworks for web front-end?

    What are the three mainstream frameworks for web front-end?

    Three mainstream web front-end frameworks: 1. Angular, a front-end framework used to create a single application interface, with powerful module functions and custom commands; 2. React, a JavaScript used to build user interfaces Development framework, mai
    2022-07-19
  • What is the relationship between npm and node.js?

    What is the relationship between npm and node.js?

    npm means "node package manager" in Chinese. It is the default package management tool of the Node.js platform. It will be installed together with Nodejs. npm manages third-party plug-ins corresponding to node.js; you can install, share, and dis
    2022-07-19
  • What does gulp mean in nodejs

    What does gulp mean in nodejs

    Gulp is a flow-based code construction tool in the front-end development process. It is an automatic task runner based on Nodejs. It can not only optimize website resources, but also automatically complete the testing, inspection, merging, compression, an
    2022-07-18
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