1.解构写法
const { body,head } = document
2.控制台打印 body和head
const { body,head } = document
console.log(document);
console.log(body);
console.log(head);
效果:
const { body,head } = document
const { body,head } = document
console.log(document);
console.log(body);
console.log(head);
效果: