docsify usage tutorial

TypeScript's advanced condition types implement logical judgment between types through TextendsU?X:Y syntax. Its core capabilities are reflected in the distributed condition types, infer type inference and the construction of complex type tools. 1. The conditional type is distributed in the bare type parameters and can automatically split the joint type, such as ToArray to obtain string[]|number[]. 2. Use distribution to build filtering and extraction tools: Exclude excludes types through TextendsU?never:T, Extract extracts commonalities through TextendsU?T:Never, and NonNullable filters null/undefined. 3

This article explores in-depth how to automatically generate solveable puzzles for the Double-Choco puzzle game. We will introduce an efficient data structure - a cell object based on a 2D grid that contains boundary information, color, and state. On this basis, we will elaborate on a recursive block recognition algorithm (similar to depth-first search) and how to integrate it into the iterative puzzle generation process to ensure that the generated puzzles meet the rules of the game and are solveable. The article will provide sample code and discuss key considerations and optimization strategies in the generation process.

The most common and recommended method for removing CSS classes from DOM elements using JavaScript is through the remove() method of the classList property. 1. Use element.classList.remove('className') to safely delete a single or multiple classes, and no error will be reported even if the class does not exist; 2. The alternative method is to directly operate the className property and remove the class by string replacement, but it is easy to cause problems due to inaccurate regular matching or improper space processing, so it is not recommended; 3. You can first judge whether the class exists and then delete it through element.classList.contains(), but it is usually not necessary; 4.classList

This article aims to solve the problem of deep URL refresh or direct access causing page resource loading failure when deploying single page applications (SPAs) on Vercel. The core is to understand the difference between Vercel's routing rewriting mechanism and browser parsing relative paths. By configuring vercel.json to redirect all paths to index.html, and correct the reference method of static resources in HTML, change the relative path to absolute path, ensuring that the application can correctly load all resources under any URL.

This tutorial aims to solve the problem of loading assets (CSS, JS, images, etc.) when accessing multi-level URLs (such as /projects/home) when deploying single page applications (SPAs) on Vercel. The core lies in understanding the difference between Vercel's routing rewriting mechanism and relative/absolute paths in HTML. By correctly configuring vercel.json, ensure that all non-file requests are redirected to index.html and correcting asset references in HTML as absolute paths, thereby achieving stable operation of SPA at any depth URL.

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In JavaScript, the most common method to add elements to the beginning of an array is to use the unshift() method; 1. Using unshift() will directly modify the original array, you can add one or more elements to return the new length of the added array; 2. If you do not want to modify the original array, it is recommended to use the extension operator (such as [newElement,...arr]) to create a new array; 3. You can also use the concat() method to combine the new element array with the original number, return the new array without changing the original array; in summary, use unshift() when modifying the original array, and recommend the extension operator when keeping the original array unchanged.