标签：ES6 arr 内置 console log Symbol arr2 ES11
原视频
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Symbol内置属性</title>
</head>
<body>
<script>
// class Person{
// static [Symbol.hasInstance](param){
// console.log(param);
// console.log("我被用来检测类型了");
// return false;
// }
// }
// let o = {};
// console.log(o instanceof Person);
// const arr = [1,2,3];
// const arr2 = [4,5,6];
// arr2[Symbol.isConcatSpreadable] = false;
// console.log(arr.concat(arr2));
</script>
</body>
</html>
标签：ES6,
arr,
内置,
console,
log,
Symbol,
arr2,
ES11
From： https://www.cnblogs.com/chuixulvcao/p/17178990.html