摘要：
In this lesson, you'll learn how to implement smooth state transitions in your web applications using the browser's built-in View Transitions API. We' 阅读全文
摘要：
var a = { n: 1 }; var b = a; a.x = a = { n: 2 }; console.log(a.x); // undefined console.log(b.x); // {n: 2} Javascript see the following code, mainly 阅读全文