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See this code: const array = [ { name: 'John', }, { name: 'Steve', }, ]; const obj = array.reduce((accum, item) => { accum[item.name] = item; // Eleme 阅读全文
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Here we have a Component class that can be passed in TProps. Inside of the constructor it assigns props to this, and provides a getProps method that c 阅读全文
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Consider this implementation of returnBothOfWhatIPassIn: const returnBothOfWhatIPassIn = (params: { a: unknown; b: unknown }) => { return { first: par 阅读全文
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Let's we have a form to submit new password. Before we send request to server, we want to force developer to valid the password before sending the req 阅读全文
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// print type PrintStart = { type: "print"; subtype: "start"; attributes: { controlsId: string; tabId: number; }; } type PrintAbort = { type: "print"; 阅读全文
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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
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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
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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
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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
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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