Learn about node JS (Stream)
Node. The Stream in JS is notoriously difficult to use or even understand.
In the words of Dominic Tarr, "flow is the best and most misunderstood idea in Node." Even the creator of Redux and react Dan Abramov, a core team member of JS, is also afraid of Node flow.
This article will help you understand streams and how to use them ...
Posted by isurgeon on Wed, 18 May 2022 10:49:24 +0300
Front end embedded point export based on xlsx populate
Three scenarios of realizing excel export function
The back end generates excel and encapsulates it, and directly returns the file address to the front end through the interface. After getting the file address, the front end creates a tag through js, assigns the file address to the href attribute of a tag, calls the click method of a tag, and ...
Posted by alwoodman on Wed, 18 May 2022 01:53:23 +0300
js advanced array method
Foreword:
When you learn advanced js, you will learn several methods about arrays. I will list several here, and briefly introduce the usage and characteristics. The syntax of each method is similar
One.forEach()
forEach iterates (traverses) the array This method has no return value and will modify the contents of the original array
The fu ...
Posted by lucy on Wed, 18 May 2022 01:47:51 +0300
How to Secure Your Documents with JSON Web Tokens (JWT)
How to Secure Your Documents with JSON Web Tokens (JWT)
In this article, we explain how to use JSON Web Token JWT to protect online documents from unauthorized access, so that you can more securely integrate online document editor development into your own web applications.
The open source office suite ONLYOFFICE Docs will be integrated her ...
Posted by shonuff on Wed, 18 May 2022 00:53:22 +0300
Analyze the principle of react router V5 from the source code
This article will analyze the source code of the remaining components in the react router
<Redirect>
Like other routing components, < redirect > uses < routercontext Consumer > receive routing data;
Define prop types for < redirect >
Redirect.propTypes = {
push: PropTypes.bool,
from: PropTypes.string,
to: PropTypes ...
Posted by dyip on Tue, 17 May 2022 23:20:24 +0300
Implementing a Universal Visual Vue Plugin Based on AntV G2
foreword
AntV G2 Adhere to the design values of nature, certainty, sense of meaning, and growth. Different from other visualization plugins, G2 is a data-driven high-interaction visualization graph syntax, which is highly usable and extensible.
With the continuous development of business visualization, the complexity of data is increasing. I ...
Posted by smoked1 on Tue, 17 May 2022 20:16:56 +0300
ES6 loops and iterables
Author: Alan StormTranslation: crazy tech nerdoriginal: https://alanstorm.com/es6s-ma...Reproduction without permission is strictly prohibited
This article will examine ES6's for ... of loops.
old way
In the past, there were two ways to traverse javascript.
The first is the classic for i loop, which allows you to iterate over an array or any ob ...
Posted by SZero on Tue, 17 May 2022 19:07:58 +0300
Fool's tutorial: building a Markdown previewer using Vue and Electron
The latest trend that developers must adapt to is to write a code base for multiple operating systems.
Electron is a JavaScript framework that allows you to create desktop applications with simple JavaScript and HTML and convert websites into executable applications, making full use of all the functions of Windows, Mac or Linux operating syste ...
Posted by newguy45 on Tue, 17 May 2022 14:56:38 +0300
Use and understanding of entry-level canvas
1,canvas
canvas is h5 a new tag added, so it may not be compatible in the lower version of ie.Canvas is a canvas, which can draw graphics freely.canvas is a native js object and jq is not recommended
2. Basic use and introduction of canvas
1. Foundation use
Use the canvas tag to add width and height attributes
The canvas tag is an inline t ...
Posted by logging on Tue, 17 May 2022 04:53:11 +0300
AST reverse principle analysis babel
1. What is Babel
Babel is a tool chain, which is mainly used to convert code written in ECMAScript 2015 + syntax into backward compatible JavaScript syntax, so that it can run in current and old versions of browsers or other environments. Here's what Babel can do for you:
grammatical transformationAdd missing features in the target environmen ...
Posted by mad3533 on Tue, 17 May 2022 04:49:43 +0300