<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>ES8 对象方法扩展</title>
</head>
<body>
<script>
//声明对象
const school = {
name:"尚硅谷",
cities:['北京','上海','深圳'],
xueke: ['前端','Java','大数据','运维']
};
//获取对象所有的键
// console.log(Object.keys(school));
//获取对象所有的值
// console.log(Object.values(school));
//entries
// console.log(Object.entries(school));
//创建 Map
// const m = new Map(Object.entries(school));
// console.log(m.get('cities'));
//对象属性的描述对象
// console.log(Object.getOwnPropertyDescriptors(school));
// const obj = Object.create(null, {
// name: {
// //设置值
// value: '尚硅谷',
// //属性特性
// writable: true,
// configurable: true,
// enumerable: true
// }
// });
</script>
</body>
</html>
标签:ES6,school,console,log,对象,Object,ES8,const,ES11
From: https://www.cnblogs.com/chuixulvcao/p/17197670.html