<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Horizontal Bar Chart</title>
<script src="https://d3js.org/d3.v7.js"></script>
</head>
<body>
<script>
const svg = d3.select("body")
.append("svg")
.attr("width", "700")
.attr("height", "500");
const bardata = [300, 100, 150, 225, 75, 275];
const bars = svg.selectAll("rect")
.data(bardata);
bars.enter()
.append("rect")
// .attr("x", ADD)
// .attr("y", ADD)
// .attr("width", ADD)
// .attr("height", ADD)
.attr("fill", "cornflowerblue");
</script>
</body>
</html>