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hoge.html
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hoge.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<script>
window.onload = function () {
var hoge = document.getElementById('hoge');
var fuga = document.getElementById('fuga');
hoge.addEventListener('dragover', function (e) {
e.stopPropagation();
e.preventDefault();
fuga.setAttribute('style', 'display: block');
});
fuga.addEventListener('dragover', function (e) {
e.stopPropagation();
e.preventDefault();
});
fuga.addEventListener('dragleave', function (e) {
e.stopPropagation();
e.preventDefault();
fuga.setAttribute('style', 'display: none');
});
fuga.addEventListener('drop', function (e) {
e.stopPropagation();
e.preventDefault();
fuga.setAttribute('style', 'display: none');
alert('drop sitayo!');
return false;
});
};
</script>
<style>
#container {
position: relative;
}
#hoge, #fuga {
position: absolute;
top: 0;
width: 300px;
height: 100px;
padding: 0;
margin: 0;
border: 1px solid black;
}
#fuga {
display: none;
background: rgba(0, 0, 0, 0.7);
}
</style>
</head>
<body>
<div id="container">
<textarea id="hoge"></textarea>
<div id="fuga"></div>
</div>
</body>
</html>