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II. D3.js draw a simple figure -- circle
2022-07-03 07:14:00 【jiangxng】
<html>
<head>
<meta charset="utf-8">
<title>D3 First circle </title>
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
</head>
<body>
</body>
<script>
var svg = d3.select(document.body).append('svg')
.attr('xmlns', 'http://www.w3.org/2000/svg')
.attr('width', 500)
.attr('height', 500);
svg.append("circle")
.attr("cx", 250)
.attr("cy", 250)
.attr("r", 250)
.attr("fill", "#ccc");
</script>
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