bar block

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.17/d3.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>

<body>
  <style>
    svg {
      font: 10px sans-serif;
    }

path.line {
      fill: none;
      stroke: #666;
      stroke-width: 1.5px;
    }

path.area {
      fill: #e7e7e7;
    }

.axis {
      shape-rendering: crispEdges;
    }

.x.axis line {
      stroke: #fff;
    }

.x.axis .minor {
      stroke-opacity: .5;
    }

.x.axis path {
      display: none;
    }

.y.axis line,
    .y.axis path {
      fill: none;
      stroke: #000;
    }
  </style>
  <script>
    var margin = {
      top: 20,
      right: 50,
      bottom: 30,
      left: 50
    };
    
    var width = 960 - margin.right - margin.left;
    var height = 500 - margin.top - margin.bottom;
    
    var data = [
      { 
        label: 'Balon Greyjoy',
        value: 1
      },
      {
        label: ' Stannis Baratheon',
        value: 2
      },
      {
        label: 'Robb Stark',
        value: 3
      },
      {
        label: ' Renly Baratheon',
        value: 4
      },
      {
        label: ' Joffrey Baratheon',
        value: 5
      }
    ];
    
    var xScale = d3.scale.ordinal()
    	.domain(data.map(function (d) { return d.value }))
    	.rangeRoundBands([0, width], 0.2, 0.1);
    
    var yScale = d3.scale.linear()
    	.domain([0, d3.max(data.map(function (d) { return d.value }))])
    	.range([height, 0]);
    
    var svg = d3.select("body").append("svg")
      .attr("width", width + margin.right + margin.left)
      .attr("height", height + margin.top + margin.bottom);
    
    var g = svg.append('g')
    	.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
    
    var bars = g.selectAll('rect').data(data)
    	.enter().append('rect')
    	.style('fill', '#66B5AF')
    	.attr('x', function (d, i) { return xScale(d.value); })
    	.attr('y', function (d, i) { return yScale(d.value); })
    	.attr('width', xScale.rangeBand())
    	.attr('height', function (d) { return height - yScale(d.value); });
    
    var xAxis = d3.svg.axis()
//     	.tickValues(data.map(function (d) { return d.label }))
    	.scale(xScale)
    	.orient('bottom');
    
    var yAxis = d3.svg.axis()
    	.scale(yScale)
    	.orient('left');
    
    g.append('g')
    	.attr('class', 'x axis')
    	.attr('transform', 'translate(0, ' + height + ')')
    	.call(xAxis);
    
    g.append('g')
    	.attr('class', 'y axis')
    	.call(yAxis);
    
  </script>
</body>

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.17/d3.js