摘要：
https://developer.mozilla.org/en-US/docs/Web/API/Clipboard_API const app = document.getElementById('app'); app.innerHTML = ` <h1>JavaScript HTML5 APIs 阅读全文
摘要：
Implement EndsWith<T, U> which takes two exact string types and returns whether T ends with U For example: type a = EndsWith<'abc', 'bc'> // expected 阅读全文
摘要：
Implement StartsWith<T, U> which takes two exact string types and returns whether T starts with U For example type a = StartsWith<'abc', 'ac'> // expe 阅读全文
摘要：
From T, pick a set of properties whose type are assignable to U. For Example type OnlyBoolean = PickByType<{ name: string count: number isReadonly: bo 阅读全文