Answer1215

摘要： // print type PrintStart = { type: "print"; subtype: "start"; attributes: { controlsId: string; tabId: number; }; } type PrintAbort = { type: "print"; 阅读全文

摘要： Let's imagine you're building a type helper to extract out the value from several different 'parsers'. Here are a few different examples of what a par 阅读全文

摘要： Binding to Media Events import './assets/css/style.css'; import autumnMp4 from './assets/media/autumn.mp4'; const app = document.getElementById('app') 阅读全文

摘要： A company has hired N interns to each join one of N different teams. Each intern has ranked their preferences for which teams they wish to join, and e 阅读全文

摘要： Array.from() is a great way to chunk up arrays because of the secondary argument being a map function. const hugeArray = Array.from({length: 76}, (_, 阅读全文

摘要： The Intl.Collator object enables language-sensitive string comparison. console.log(['Z', 'a', 'z', 'ä'].sort(new Intl.Collator('de').compare)); // exp 阅读全文

摘要： Since arrays are objects, we can destructure their indexes to easily grab the first and last itmes const bikes = ['bianchi', 'miele', 'miyata', 'benot 阅读全文

摘要： For example, we have a type repersent currency: USD, value should be something like '$123', a string type with `$` and number. So let's say we make a 阅读全文

摘要： Currying is the technique of converting a function that takes multiple arguments into a sequence of functions that each take a single argument. But in 阅读全文

摘要： jest.mock('./filename', () => { const originalModule = jest.requireActual('./filename') return { ...originalModule, fnA: jest.fn(), fnB: (b: boolean): 阅读全文