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<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
<style>
#div {
font-size: 10px;
border-radius: 3px;
box-shadow: 0 0 5px #999;
padding: 10px;
pointer-events: 'none';
background-color: #fff;
position: absolute;
}
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
</style>
</head>
<body>
<video id="div" width="350">
<source src="" type="video/webm">
</video>
</div>
<script>
// Feel free to change or delete any of the code you see in this editor!
var svg = d3.select("body").append("svg")
.attr("width", 960)
.attr("height", 500)
let div = d3.select('#div')
.call(d3.drag()
.on('start.interrupt', function () {
div.interrupt();
console.log('stop')
})
.on('start drag', function () {
console.log('drag')
div.style('top', d3.event.y + 'px')
div.style('left', d3.event.x + 'px')
}));
</script>
</body>
https://d3js.org/d3.v4.min.js