ES6-ES11 ES7新特性数值includes & 幂运算

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>ES7 新特性</title>
</head>
<body>
    <script>
        // includes   indexOf
        //真  true      下标 
        //假  false      -1
        // const mingzhu = ['西游记','红楼梦','三国演义','水浒传'];

        //判断
        // console.log(mingzhu.includes('西游记'));
        // console.log(mingzhu.includes('信息'));

        // **
        console.log(2 ** 10);// 
        console.log(Math.pow(2, 10));
        
    </script>
</body>
</html>

posted on 2023-03-09 10:46 垂序葎草阅读(19) 评论(0) 编辑收藏举报