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<!DOCTYPE html>
<title>drag & drop - drag interrupted by alert must not break mouse interaction with UI</title>
<style>
body > div {
height: 200px;
width: 200px;
background-color: orange;
}
body > div + div {
margin-top: 10px;
height: 200px;
width: 200px;
background-color: blue;
}
</style>
<script>
window.onload = function() {
var orange = document.getElementsByTagName('div')[0], blue = document.getElementsByTagName('div')[1];
orange.ondragstart = function(e) {
e.dataTransfer.effectAllowed = 'copy';
e.dataTransfer.setData('text', 'dummy text');
};
blue.ondragover = function(e) {
e.preventDefault();
e.dataTransfer.dropEffect = 'copy';
if( !window.doneonce ) {
alert('2. It should also ideally be possible to dismiss this dialog with your mouse/pointing device (do not use mouse gestures).');
}
window.doneonce = true;
};
blue.ondragenter = function(e) {
e.preventDefault();
e.dataTransfer.dropEffect = 'copy';
alert('1. It should ideally be possible to dismiss this dialog with your mouse/pointing device (do not use mouse gestures).');
};
blue.ondrop = function(e) {
e.preventDefault();
};
};
</script>
<p>Drag the orange square onto the blue square.</p>
<div draggable="true"></div>
<div></div>
<noscript><p>Enable JavaScript and reload</p></noscript>
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