Tag: javascript

The code of life

Vue – PyWebView-PyInstaller is a cross-platform client application for JavaScript and Python

February 5, 2024

by 周詩涵

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Build macOS and Windows client based on Vue3, PyWebView and PyInstaller framework. The view layer of this application uses HTML+JS+CSS, and the business layer uses...

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The front end

Browser principle – V8 engine – JS execution principle

February 5, 2024

by James Gonzalez

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1. How browsers work: How JavaCscript code is executed in browsers? It is often said that different browsers have different kernels that make up Gecko:...

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The front end

Do you really know JavaScript regex?

February 5, 2024

by Leanne Cooksley

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The main source of this article is the "JavaScript Authority Guide" (6th edition), the author is just moving bricks at the same time sorting out...

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The front end

Learn underscore source code for handling residual arguments restArguments

February 5, 2024

by Mark Banks

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ES6 residual argument syntax allows us to represent an indefinite number of arguments as an array. How does ES5 handle this? Underscore uses the restArguments...

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The front end

Prototype and prototype chain

February 5, 2024

by Janet Lord

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__proto__ and Prototype __proto__ is an attribute on every instance, and prototype is an attribute on the constructor.

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The front end

Uni-app and Vue3 + UCharts charts H5 cannot be rendered

February 5, 2024

by Tracey Manning

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It records the whole process in detail, starting with problem location, making an issue to the framework (UNI-App), making a solution (PR), and finally thinking

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The front end

A comprehensive survey of the JS foundation of a problem

February 5, 2024

by Renee Koshy

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Foo. GetName () // 2: Foo. GetName () // 2: Foo. GetName () // 2: Foo

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The front end

Browser event capture and bubbling, this time thoroughly understand?

February 5, 2024

by Elijah Williamson

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Browser event capture and bubbling, this time thoroughly understand? Does the order of execution differ for different browser versions? Bubbling and trapping. What the hell...

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The code of life

Li Jiwei: Some tips for beginners in NLP field

February 5, 2024

by Patricia Parsons

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Friends who just started to do algorithms will encounter a lot of mistakes, such as obsessed with new models, ignoring the basics and so on....

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The front end

What is the execution context in “Front-end Daily Question (27)” JS?

February 5, 2024

by 何宗翰

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⭐ ⭐ ⭐ A: The execution context is the environment in which the JavaScript executes a piece of code. It contains the environment information used...

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The front end

Vite implementation principle and simple implementation

February 5, 2024

by Tia Moore

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'Vite' can import and export modules in the way of 'export' and 'import' of ES6 in the browser, and load modules on demand at the...

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The front end

Learn underscore source code to find a specified element in an array

February 5, 2024

by 袁佳穎

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Underscore finds specified elements in arrays. Methods include findIndex, findLastIndex, sortedIndex, indexOf, and lastIndexOf, and how to optimize

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The front end

What exactly does this in the arrow function mean?

February 5, 2024

by Claudia Vasquez

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ES6 has been used for a long time, so it feels a little late to write this article. However, I was struggling with this problem...

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The front end

Note the mock implementation of call, apply, bind, new

February 5, 2024

by Janet Bird

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1. Call passes in any parameter and executes immediately. 2. Apply passes the array of parameters and executes immediately; 3. Bind passes in any arguments...

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The front end

Probably the most detailed Electron IPC presentation in the whole web (ii) – the rendering process and the rendering process of the bridge

February 5, 2024

by Roy Hughes

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In the previous chapter, we introduced how the main process and the renderer process communicate with each other. What about renderer to renderer? How do...

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The front end

“Front-end Daily question (24)” say JS this

February 5, 2024

by 金淑芬

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⭐ ⭐ In object-oriented languages, this refers to a reference to the current object. In JS, this is a completely different concept. JS this can...

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The front end

SVG instance introduction and animation practice

February 5, 2024

by Mary Baker

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We've all touched SVG in more or less everyday development. This article will help you get started with SVG by detailing the basic graphics and...

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The front end

Build front-end monitoring system

February 5, 2024

by John Gibb

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Why do front-end monitoring? Faster problem discovery and solution. Product decision-making basis provides more possibilities for business expansion, improves technical depth and breadth of front-end...

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The front end

[leetcode-400] the KTH smallest digit in lexicographical order

February 5, 2024

by Kathy Manning

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Given integers n and k, return the lexicographical KTH smallest number in [1, n]. <= k <= n <= 109 the easier the problem, the...

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The front end

Webpack Tree Shaking uses summaries

February 5, 2024

by Hiran Kaur

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It is possible to generate more efficient code through Tree Shaking. This article introduces Webpack Tree Shaking in an easy-to-understand language so that you can...

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The front end

Think of this in Javascript in a different way

February 5, 2024

by Aarush Rao

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Many articles on the Internet have made detailed introductions to this in Javascript, but most of them are about the pointing of this in various...

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The front end

2022, what technical optimization can be made for international activities?

February 5, 2024

by 範淑玲

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The TikTok Hangzhou team I work for is mainly responsible for the revenue activities of the live broadcast room. Users and anchors are encouraged to...

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The front end

LeetCode 👉 HOT 100 👉 The container that holds the most water – medium question

February 5, 2024

by Samarth Sant

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When calculating the volume between two positions, the idea of double Pointers can be considered, but in the solution, it is not easy to think...

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The front end

“Front-end Daily Question (25)” describes function parameters, arguments, residual arguments, default arguments, implicit arguments

February 5, 2024

by Lindsey Connolly-Baker

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⭐ A: Parameters are variables that are listed when you define a function. Arguments are values passed to a function when it is called. Let's...

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The front end

Record the difference between three equals and two equals signs

February 5, 2024

by Darshit Loyal

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1. == : is called an equivalent character. When the types on both sides of the equal sign are the same, the value is directly...

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The front end

Understand the “This” in the javascript arrow function

February 5, 2024

by Megan Norton

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This article can serve as a second article on understanding "This" in JavaScript. We'll go through the same example, but we'll use the arrow function...

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The front end

LeetCode — 160. Intersecting linked lists

February 5, 2024

by Mr. Josh Carroll

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"This is the 12th day of my participation in the Gwen Challenge in November. For details: The last Gwen Challenge in 2021" 160. Find and...

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The front end

Talk about the realization of web side animation

February 5, 2024

by 梁淑慧

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This paper summarizes the common way of animation implementation on the Web end, and hopes that after reading this article, readers will master animation development...

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The front end

Js “this” suddenly refers to undefined, don’t worry, probably because of “Reference type”

February 5, 2024

by Stephen Little

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A dynamically executed method may lose this. Hi = user. Hi assigns the function to a variable, and then on the last line it's completely...

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The front end

Beware of computed pits, which can affect your performance

February 5, 2024

by Suzanne Patel

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Computed is a very useful API in Vue, but it also has a serious performance impact, and this article focuses on that scenario.

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