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>Document</title>
</head>
<body>
<img src="images/light_off.jpg" id="light" width="300px">
<script>
let light = document.querySelector("#light");
console.log(light);
light.addEventListener("mouseover", changeOn);
light.addEventListener("mouseout", changeOff);
function changeOn() {
light.src = "images/light_on.jpg";
}
function changeOff() {
light.src = "images/light_off.jpg";
}
</script>
</body>
</html>
Java
복사