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<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
<style>
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
</style>
</head>
<body>
<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)
svg. append("rect")
.attr("y",100)
.attr("x",100)
.attr("width",500)
.attr("height",298)
.attr("fill", "teal")
.attr("stroke","black")
.attr("fill-opacity",1)
.attr("stroke-opacity",0.9)
svg.append("rect")
.attr("x",100)
.attr("y",200)
.attr("width",500)
.attr("height",100)
.attr("fill","yellow")
svg.append("polygon") //attach a polyline
.attr("fill","black") //remove any fill colour
.attr("points","100,100 350,250 100,400");
</script>
</body>
https://d3js.org/d3.v4.min.js