<!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>옵션 PC 모바일 교체</title>
</head>
<body>
<select name="" id="sample-select">
<option value="" selected>맨상단</option>
<option value="">더미01</option>
<option value="">더미02</option>
<option value="">더미03</option>
</select>
<script>
window.onload = function () {
setTopOption("sample-select");
};
window.addEventListener("resize", resizeHandler);
function resizeHandler() {
setTopOption("sample-select");
}
function setTopOption(selectId) {
var selectBox = document.getElementById(selectId);
if (window.innerWidth <= 768) {
selectBox.options[0].text = "Mobile";
selectBox.options[0].value = "mobile";
} else {
selectBox.options[0].text = "Desktop";
selectBox.options[0].value = "desktop";
}
}
</script>
</body>
</html>
어쩌다보니IT