Author: admin
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JavaScript 101: What is Repaint
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什么是 Repaint（重绘）？ What is Repaint? Repaint, also known as a redraw, occurs when changes are made to an element’s appearance that do not affect its layout. These changes can include modifications to an element’s color, background, visibility, or other visual properties. Unlike reflow, repaint does not involve recalculating the layout…
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JavaScript 101: What is Reflow
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什么是 Reflow（重排）？ What is Reflow? Reflow, also known as layout or reflowing, is a process in which the browser recalculates the positions and sizes of elements in the Document Object Model (DOM) when the structure, size, position, or certain properties of elements change. Reflow is a costly operation because it…
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JavaScript 101: Browser’s Rendering Process
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浏览器的渲染过程 (Browser’s Rendering Process) 浏览器的渲染过程 The browser’s rendering process is a complex sequence of steps that the browser follows to convert HTML, CSS, and JavaScript into a visually rendered web page on the user’s screen. Understanding this process is crucial for web developers who want to optimize page loading times…
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JavaScript 101: How Tasks are Prioritized Within the Event Loop
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任务优先级 (Task Priority): How Tasks are Prioritized Within the Event Loop 任务优先级：任务在事件循环中的优先级 In JavaScript, the event loop is responsible for managing the execution of tasks, ensuring that they are processed efficiently and in the correct order. However, not all tasks are treated equally; some tasks have higher priority and are…
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JavaScript 101: Understanding Why and How Asynchronous Operations Work in JavaScript
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异步 (Asynchrony): Understanding Why and How Asynchronous Operations Work in JavaScript 异步：理解为什么以及如何在 JavaScript 中进行异步操作 Asynchrony is a core concept in JavaScript, allowing the language to perform tasks like network requests, file reading, and timers without blocking the main thread. Understanding why and how asynchronous operations work in JavaScript is crucial…
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JavaScript 101: How the Rendering Main Thread Works
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渲染主线程的工作原理 (How the Rendering Main Thread Works): Explanation of How the Main Thread Processes Tasks 渲染主线程的工作原理：解释主线程如何处理任务 The rendering main thread is a critical component of modern web browsers, responsible for processing the tasks necessary to render web pages. Understanding how the main thread works is essential for optimizing web performance…
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JavaScript 101: How to Check Chrome Task Manager to Understand Its Main Services and Processes
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如何检查 Chrome 任务管理器，并解释其主要服务和进程 Chrome Task Manager is a built-in tool in the Chrome browser that allows users to monitor and manage the processes and resources used by the browser. It provides detailed information about the different tasks running in Chrome, such as tabs, extensions, and background processes, and allows users…
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JavaScript 101: How the Browser Manages Processes and Threads
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浏览器的进程模型 (Browser’s Process Model): How the Browser Manages Processes and Threads 浏览器的进程模型：浏览器如何管理进程和线程 The browser’s process model is crucial for understanding how modern web browsers manage and allocate resources to web pages and their components. This model involves multiple processes and threads working together to ensure that web pages are rendered…
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JavaScript 101: Event Loop
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The Mechanism that Handles Asynchronous Operations in JavaScript 事件循环 (Event Loop): 处理 JavaScript 中异步操作的机制 The event loop is a fundamental concept in JavaScript, particularly in the context of asynchronous programming. It is the mechanism that allows JavaScript to handle non-blocking, asynchronous operations, such as I/O tasks, timers, and network requests,…
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Algorithms 101: Adding Two Numbers Represented by Linked Lists
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两个链表相加 This problem involves adding two numbers represented by two linked lists. Each linked list stores a non-negative integer where the digits are stored in reverse order, meaning that the least significant digit comes first. Each node in the linked list contains a single digit, and the task is to…