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[JS] 객체, 컬렉션 프레임워크 본문

WEB/JavaScript

[JS] 객체, 컬렉션 프레임워크

애플쩀 2022. 6. 6. 16:12 
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<title>2022.06.06 16:02:01</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
</head>
<body>
<h3>ex09.html</h3>
<script>
    //js 객체 
    var person={
        name:"hong",
        age:20,
        bloodType:"A"
    };
    for(var key in person){
        document.write(key+"/"+person[key]+"<br>");
    }
/*     name/hong
age/20
bloodType/A */
</script>
<script>
    var name="hong gil dong";
    for(let c of name){
        document.write(c+"<br>");
    }
/*     h
o
n
g

g
i
l

d
o
n
g */
</script>
<script>
    var fruits=new Map([
        ["apple", 500],
        ["banana", 300],
        ["orange",100]
    ]);
    for(let f of fruits){
        document.write(f+"<br>");
    }

/*     apple,500
banana,300
orange,100 */
</script>
</body>
</html>
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