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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)
data = [10,30,20,50,30];
/*
data.map(function(d,i) {
svg.append("text")
.text(d)
.attr("y", 100)
.attr("x", 120+60*i)
.style("font-size", 36)
.style("font-family", "monospace")
});
svg.selectAll("text").data(data).enter().append("text")
.text(function(d) { return d;})
.attr("y", 100)
.attr("x", function(d, i) { return i + 90; })
.style("font-size", function(d, i) { return i + 50; })
.style("font-family", "monospace")
*/
svg.selectAll("rect").data(data).enter().append("text")
.text(function(d) { return d;})
.attr("y", 100)
.attr("x", function(d, i) { return i + 90; })
.attr("width", 50)
.attr("height", function(d) { return d;})
</script>
</body>
https://d3js.org/d3.v4.min.js