d3js/d3example.html at master · AshokAkshaya/d3js · GitHub

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<html>
<head>
	<style>
		body{
		height:100%;
		width:100%;
		}
	svg{
	border:1px solid black;
}
	</style>

</head>
<body>
	<div id="container"></div>
	<div id="container1"></div>
	<script src="https://d3js.org/d3.v5.min.js"></script>
	<script>
		var width = 400, height = 400;
let bardata = [	{
	year:2000,pop:20},{year:2001,pop:20},{year:2002,pop:60},{year:2003,pop:70},{year:2004,pop:10},{year:2005,pop:60},{year:2006,pop:90},{year:2007,pop:100}]
var svg = d3.select("body")
    .append("svg")
    .attr("width", width)
    .attr("height", height);
let margin=100
var xscale = d3.scaleBand()
    .domain(bardata.map((d) =>{return d.year}))
    .range([0, width - margin]).padding(0.1);

var yscale = d3.scaleLinear()
	.domain([0,d3.max(bardata,(d)=>{return d.pop})])
	.range([height-margin,0])
let g = svg.append("g")
		.attr("transform","translate(50,50)")
	svg.append("g")
		.attr("transform", `translate(50,${height-50})`)
		.call(d3.axisBottom(xscale))
	svg.append("g")
		.attr("transform", `translate(50,50)`)
		.call(d3.axisLeft(yscale))
	g.selectAll(".bar")
		.data(bardata)
		.enter()
		.append("rect")

		.classed("bar",true)
		.attr("x", (d)=>{return xscale(d.year)})
		.attr("y", (d)=>{return yscale(d.pop)})
		.attr("width",xscale.bandwidth())
		.attr("height",(d)=>{return (height-margin)-yscale(d.pop)})
		.attr("fill","blue")


	</script>
</body>
</html>