다음은 JavaScript에서 노드 목록을 배열로 변환하는 코드입니다 -
예시
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.sample {
display: inline-block;
font-size: 20px;
font-weight: 500;
color: white;
background-color: blue;
padding:10px;
width: 100px;
height: 100px;
}
</style>
</head>
<body>
<h1>Convert a node list to an array</h1>
<div class="sample">1</div>
<div class="sample">2</div>
<div class="sample">3</div>
<div class="sample">4</div>
<br>
<button class="Btn">CLICK HERE</button>
<h3>Click on the above button to change colors of all the above div </h3>
<script>
let sampEle = document.querySelectorAll('.sample');
let BtnEle = document.querySelector('.Btn');
BtnEle.addEventListener('click',()=>{
Array.from(sampEle).forEach(item=>{
item.style.backgroundColor = 'red';
})
})
</script>
</body>
</html> 출력
'여기를 클릭' 버튼을 클릭하면 -
