lovecoding
/
W0407


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        // Symbol 独一无二的
        let s1 = Symbol('111');
        let s2 = Symbol('111');
        console.log(s1 == s2);
        console.log(typeof s1)
        const obj = {
            name:"小红",
            name:"小葛"
        }
        console.log(obj)
        let name1 = Symbol("name");
        let name2 = Symbol("name");
        let obj1 = {
            [name1]:"小红",
            [name2]:"小葛"
        }
        console.log(obj1);
        let s3 = Symbol(1);
        // console.log(s3 + "1");
        let s4 = Symbol("name");
        let obj2 = {
            [s4]:"图图",
            age: 10
        }
        for(let i in obj2) {
            console.log(i)
        }
        let s5 = Symbol.for("你好");
        let s6 = Symbol.for("你好");
        console.log(s5 === s6)
    </script>
</body>

</html>