영상
개념
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>getElementsByTagName()</title>
</head>
<body>
<p>getElementsByTagName() 메서드1</p>
<p>getElementsByTagName() 메서드2</p>
<p>getElementsByTagName() 메서드3</p>
<script>
let collection = document.getElementsByTagName("p");
let colorList = ["red", "tomato", "green"];
// 배경색상 변경
for(let i=0; i<collection.length; i++) {
// collection[i].style.backgroundColor = "yellow";
collection[i].style.backgroundColor = colorList[i];
}
</script>
</body>
</html>
Java
복사