Article Tags
Article Tags
How to correctly embed a standalone HTML/JS game project in a React production environment
When embedding a standalone HTML/JS game through an iframe in a React application, local development is normal but the production environment gets 404. The root cause is that the static resource path is not configured according to the production build rules; the game directory needs to be placed under public and the directory path (rather than a specific HTML file) is used as the iframe src.
Apr 04, 2026 pm 12:57 PM
Solution to destructuring error caused by passing Props to async function in Next.js 13 client component
This article takes an in-depth look at the reasons why the "Cannot destructure property of 'param' as it is undefined" error occurs when trying to pass props to a client component that is defined as async in the Next.js 13 App Router environment. The article explains in detail the design principle that client components should be synchronous functions, and provides a reconstruction plan to separate data acquisition logic from interactive UI components to ensure that components can correctly receive and use props, while taking into account the best practices of Next.js server components and client components.
Apr 04, 2026 am 08:28 AM
In Ext JS cell editing, disable the arrow keys to automatically increase or decrease the value and realize up and down cell jumps.
This article describes how to intercept the default behavior of the Up/Down arrow keys in the cell editing mode of the Ext JS Grid (Grid) - to prevent the numberfield from automatically increasing or decreasing the value, and instead focus on the cells in the same column above or below after completing the current edit.
Apr 04, 2026 am 08:06 AM
Puppeteer Automation: Strategies for Reliable Clicking on Dynamic Page Elements
When using Puppeteer for web page automation, developers often encounter the problem of click failure caused by dynamic changes in page element class names. This article aims to provide a robust solution that effectively overcomes these challenges by using more general element selectors and performing click actions within the context of the page. We will discuss how to identify stable properties, use page.evaluate() to simulate native clicks, and combine best practices to ensure the stability and reliability of automated scripts to improve the adaptability of Puppeteer scripts.
Apr 04, 2026 am 07:45 AM
Analysis and optimization of the reasons why the first call of a function in p5.js takes a long time
In p5.js, especially when using the WEBGL renderer, the first call to a function tends to take longer than subsequent calls. This is due to the initialization and uploading process of image textures. When calling for the first time, you need to allocate video memory, copy image data to video memory, and perform shader compilation and other operations. These operations will significantly increase the time consumption. Subsequent calls can directly use the cached texture, thus greatly improving efficiency. This article will delve into the principles of this phenomenon and provide corresponding optimization strategies.
Apr 04, 2026 am 07:15 AM
useEffect in MERN stack React application implements instant update of user information after login
This tutorial deeply explores the problem of useEffect hook in the MERN stack React application. After the user logs in, the user information cannot be updated immediately, and the page needs to be refreshed to display the latest data. The article analyzes in detail the correct use of the useEffect dependency array, points out common errors, and provides a dependency management solution based on user status changes to ensure that user information can be responded to and updated immediately after logging in, thereby improving the user experience.
Apr 04, 2026 am 06:57 AM
Dynamic data transfer and management within scripts in Node-RED UI templates
This article aims to solve the problem in Node-RED UI templates that cannot directly use Mustache syntax to dynamically inject JavaScript code within tags. We will explain the root cause and provide two safe and effective solutions: one is to directly access the passed data through $scope.msg, and the other is to render the data into JavaScript variables through Mustache combined with the | json filter. In addition, the article will also discuss the practice of encapsulating UI templates into subflows (Subflow) to achieve template reuse and centralized management.
Apr 04, 2026 am 06:54 AM
A deep understanding of JavaScript array loops and their potential risks
This article aims to delve into the concept of looping arrays in JavaScript, its potential risks, and how to effectively avoid these problems. We'll clarify some common misunderstandings about looping arrays, show through code examples what situations can lead to infinite loops or stack overflows, and provide safe alternatives to help developers better understand and work with this type of data structure.
Apr 04, 2026 am 06:42 AM
Shopify Liquid: The right way to create and access an array of product variations
This article takes a deep dive into the proper way to create and manage arrays of product variations in Shopify Liquid, focusing on common pitfalls. By analyzing the wrong array filling method, the tutorial explains in detail why the variant object cannot be obtained by directly splicing strings, and provides an efficient solution using Liquid's built-in push filter. The article also demonstrates how to correctly iterate and access the properties of product variants in an array, ensuring developers have the flexibility to filter and manipulate variant data based on specific conditions (such as color).
Apr 04, 2026 am 06:33 AM
How to replace multiple duplicate DOM content copy functions with a single function
This article introduces how to merge multiple JavaScript functions with repeated functions and different only numerical numbers into a common function, and dynamically select the target element by passing in parameters, which significantly improves the maintainability and simplicity of the code.
Apr 04, 2026 am 06:21 AM
Implicit event blocking of React form submission failure problem resolution
When a type="submit" button in a React form fails to trigger onSubmit, the common reason is not a syntax error, but that the outer element accidentally calls e.preventDefault() and prevents the event from bubbling - this blocking behavior still takes effect even if the user only presses the Enter key.
Apr 04, 2026 am 06:03 AM
Implementing 0-1 weighted values: numerical normalization method based on maximum value
This article describes how to normalize each element in a set of numeric values to the range of 0 to 1, where the smallest value in the set (usually 0) corresponds to 0, and the largest value corresponds to 1. This weighted value transformation based on relative size can be effectively implemented by calculating the maximum value in the collection and dividing each element by that maximum value, which is suitable for scenarios where the intensity of data needs to be represented proportionally (such as CSS transparency).
Apr 04, 2026 am 05:57 AM
Disable up and down arrows to automatically increase or decrease values and realize cell jump in Ext JS cell editing
This article explains in detail how to intercept the default behavior of the Up/Down arrow keys in the cell editing mode of the Ext JS Grid (Grid) - to prevent the numberfield from automatically increasing or decreasing the value, and change it to the standard navigation logic of "complete the current edit and focus on the upper and lower adjacent cells".
Apr 04, 2026 am 05:48 AM
How to implement persistent accumulation of arrays within functions without using global variables
This article introduces how to use the closure mechanism to allow the array inside the function to continuously accumulate data during multiple calls, avoiding contamination of the global scope, while maintaining encapsulation and maintainability.
Apr 04, 2026 am 05:45 AM
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