JavaScript array.entries() 메서드는 키/값 쌍을 배열 반복자 객체로 반환합니다.
다음은 array.entries() 메소드의 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 {
font-size: 20px;
font-weight: 500;
}
</style>
</head>
<body>
<h1>JavaScript Array some()</h1>
<div class="sample"></div>
<button class="Btn">CLICK HERE</button>
<h3>Click on the above button to see array elements as key value pairs</h3>
<script>
let fillEle = document.querySelector(".sample");
let arr = ["cow", "bull", "lion", "tiger", "sheep"];
fillEle.innerHTML = arr;
var entries = arr.entries();
document.querySelector(".Btn").addEventListener("click", () => {
fillEle.innerHTML = "";
for (let x of entries) fillEle.innerHTML += x + "</br>";
});
</script>
</body>
</html> 출력
"여기를 클릭" 버튼을 클릭하면 -
