D3 Examples

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<!DOCTYPE html>
<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>
  <svg style="width:500px; height:500px"></svg>
  <script>
    const rectWidth = 50
    const height = 500
    const data = [100, 250, 175, 200, 20]
    const extent = d3.extent(data, d => d)
    
    const yScale = d3.scaleLinear()
        .domain(extent)
        .range([250, 0])
    
    const svg = d3.select('svg')
    const enter = svg.selectAll('rect')
        .data(data).enter().append('rect')
        .attr('x', (d, i) => i * rectWidth)
        .attr('y', d => height - d)
        .attr('width', rectWidth)
      .attr('height', d => d)
        .attr('fill', 'blue')
        .attr('stroke', '#fff')
    
        const yAxis = d3.axisLeft()
        .scale(yScale)
        .ticks(250/10)
    
    const axis = d3.select('svg').append('g')
        .attr('transform', `translate(40, 200)`)
        .call(yAxis)
  </script>
</body>
​
    