Web_JavaScript/js13_DOM.html at main · Playdata-Bigdata-Course/Web_JavaScript · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
<!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>
    <div id="one">
        <div id="cat">
            자식
            <div id="dog">
                멍멍
            </div>
        </div>
    </div>

    <script>
        //p는 단락 tag : 단ㄹ학 내부에 단락 보유는 고려
        // 고려사항 : dom으로 제어 가능한 tree 구조가 제약받는 듯한 느낌
        console.log(document.getElementById("one").firstChild.nodeName[1]);
        console.log(document.getElementById("one"));
        console.log(document.getElementById("one"));
        console.log(document.getElementById("one").nodeName);
        console.log(document.getElementById("one").firstChild);
        console.log(document.getElementById("one").lastChild);
        console.log(document.getElementById("one").lastChild.previousSibling);


        console.log(document.getElementById("dog").firstChild);


        console.log(document.getElementById("one"));
        setTimeout(() => {document.getElementById("dog").previousSibling.nodeValue = "유재석";}, 5000);

    </script>
</body>
</html>