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Correct installation process of ES6 Babel in JavaScript

This article introduces the installation process of Babel6.x~ First of all, you can use Babel to convert online https://babeljs.io/repl/ and then enter the topic: Install Babel (command line environment, for Babel6.x version) 1. First install babel-cli (u

2025-07-07
New Array method added to JavaScript ES5 standard

There are many new things added in ES5, and understanding them will be of great help to write JavaScript. For example, in the array, we may not need to go for loops with a straightforward and eye-catching way. A new method of writing arrays has been added

2025-07-07
JavaScript simple way to get css inter-line style, inline style and external link style

【From Line Style Acquisition】<div id='div1' style="backgroud:red"> test</div><script>　　var odiv=document.getElementById('div1');　　//先获取到要获取样式

2025-07-07
Checkbox batch selection to get a simple instance of the value of the selected item

Checkbox batch selection to get a simple instance of the value of the selected item<!doctype html><html lang="en"><head><meta charset="UTF-8"><title> Document</title>

2025-07-07
Simple JS carousel diagram code

In the team, I was asked suddenly how to implement carousel images. I have been in the front-end field for more than a year, but I haven't written it myself for a long time. I have always used a plug-in to write it in Daniu. Today I will write a simpl

2025-07-07
Simple example of addition, subtraction, multiplication and division in javascript

Simple example of addition, subtraction, multiplication and division in javascript<html><head><meta http-equiv="Content-Type" content="text/html;charset=utf-8" /></head>

2025-07-07
In-depth analysis of bucket sorting algorithm and JavaScript code implementation on Node.js

1. Bucket sort introduces Bucket sort is a count-based sorting algorithm. The working principle is to divide the data into a limited number of buckets, and then each bucket is sorted separately (it is possible to use other sorting algorithms or continue t

2025-07-07
How to calculate the current date of the week in js calculation system

This article has shared with you four methods of the current date of the JS computing system, for your reference. The specific content is as follows: // The current date of the week of the computing system var str = "Today is the week" + "D

2025-07-07
Eight sorting algorithms for writing JS and PHP code

I have been exposed to various algorithm basics since I learned the data structure, but I have never practiced it since I finished the exam. When I was developing, I also checked when I used it. Now I am learning JavaScript. I will take this time to organ

2025-07-07
In-depth analysis of error handling mechanism in javascript

The previous error handling is crucial for web application development. It cannot predict possible errors in advance and cannot adopt recovery strategies in advance, which may lead to poor user experience. Since any javascript error can cause the web page

2025-07-07
Node.js folder directory structure creation instance code

The first time I came into contact with NodeJS, I was stunned by its asynchronous response. Later I found that NodeJS has a synchronous method to determine whether a folder exists and create a folder, but I still want to try to use an asynchronous method

2025-07-07
5 easy sentences to solve the scope of JavaScript

Each byte of a javascript program is executed in this or that execution context. You can think of these contexts as neighbors of code, which can indicate each line of code: where it comes from, and who are friends and neighbors. Yes, this is very importan

2025-07-07
Multi-file upload using plupload custom parameters

1. During development, the function of uploading users' attachments may be required. To realize the batch upload function, it actually places multiple upload tasks in a collection and upload them separately. 2. Using the plupload js plugin can easily

2025-07-07
Bootstrap writes a dialog box that can be closed on the current web page without pop-up window

Using pop-up windows to display short messages on the web page is OK, although not so friendly. However, pop-ups are powerless to do with long information like the website's terms of service. This requires using something called modal box modal and em

2025-07-07
What should you know about the running mechanism of JS engine

From definition to execution, the JS engine does a lot of initialization work in the implementation layer. Therefore, before learning the working mechanism of the JS engine, we need to introduce several related concepts: execution environment stack, globa

2025-07-07

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