<!DOCTYPE html>
<html lang="en">
<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>Document</title>
</head>
<body>
<div>
<form action="/account" method="get">
<img src="../js/img1.png" style="width: 200px; height: 200px;" alt="">
<br><br>
<button onclick="return false;" id="btnChange">이미지 변경하기</button>
</form>
</div>
<script>
let isImageChage = false;
let btnChangeNode = document.querySelector("#btnChange");
// 이벤트 유형, 함수, 캡처 여부(생략 가능)
btnChangeNode.addEventListener("click", changeImage, false);
btnChangeNode.addEventListener("mouseover", changeImage, false);
btnChangeNode.addEventListener("mouseout", changeImage);
function changeImage() {
let imgNode = document.querySelector("img");
if(isImageChage) {
imgNode.src = "../js/img1.png";
} else {
imgNode.src = "../js/img2.png";
}
isImageChage = !isImageChage;
}
</script>
</body>
</html>
