D3 Examples - fist of five

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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; }
    svg {
      width: 100%;
      height: 100%;
    }
  </style>
</head>
​
<body>
  <svg></svg>
  <script>
    var width = 500
    var height = 300
        var data = [5, 20, 7, 11, 15]
    var rectWidth = 75
    var margin = {top: 20, right: 20, bottom: 20, left: 20}
    
    // scales
//     var xScale = d3.scaleLinear()
//      .domain([0,5])
//      .range([margin.left, width - margin.right])
//     var yScale = d3.scaleLinear()
//      .domain([0, 20])
//      .range([height - margin.bottom, margin.top])
    
    
    var svg = d3.select('svg')
    svg.selectAll('rect')
        .data(data)
        .enter().append('rect')
      .attr('x', function(d, i) {return i * rectWidth})
        .attr('y', function(d) {return height - d})
        .attr('width', rectWidth)
        .attr('height', function(d) {return d})
        .attr('fill', 'blue')
        .attr('stroke', 'white')
    
    
    
//     var xAxis = d3.axisBottom()
//      .scale(xScale).ticks(5)
//     var yAxis = d3.axisLeft()
//      .scale(yScale)
    
//     svg.append('g')
//      .attr('transform', 'translate('+[0, height - margin.bottom]+')').call(xAxis)
    
    
    
  </script>
</body>
​
    