<!DOCTYPE html>
<html>
    <head>
        <meta charset=utf-8>
    </head>
    <body>
    	
        <script type="text/javascript">
            const _symbolKey = array => {
                // 补全代码
                let obj = new Object();
                array.forEach(v=>{
                    obj[Symbol(v)]=v;
                })
                return obj;
            }
        </script>
    </body>
</html>