<!DOCTYPE html>
<html>
<head>
<script type = text/javascript src = https://d3js.org/d3.v4.min.js></script>
<style>
body { font-family: Arial; }
</style>
</head>
<body>
<div id = svgcontainer>
</div>
<script language = javascript>
var width = 300;
var height = 300;
var svg = d3.select(#svgcontainer)
.append(svg)
.attr(width, width)
.attr(height, height);
svg.append(line)
.attr(x1, 100)
.attr(y1, 100)
.attr(x2, 200)
.attr(y2, 200)
.style(stroke, rgb(255,0,0))
.style(stroke-width, 2);
</script>
</body>
</html>
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