simple multicolor block example without dataset

forked from romsson's block: simple bar chat with interaction

forked from romsson's block: simple line chart without dataset

forked from anonymous's block: simple line chart without dataset

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    rect {
      fill: white;
      stroke: black;
      stroke-width: 1px;
    }
  </style>
</head>

var svg = d3.select("body").append("svg")
      .attr("width", 960)
      .attr("height", 500);

var num = [22, 32, 21, 23, 10, 22, 11, 19, 30, 50,55,60,75,100];
    var col = ["red", "blue","lightgreen","brown"];
    
    var x = d3.scaleLinear().range([0, 400]).domain([0, num.length]);
    var y = d3.scaleLinear().range([0, 50]).domain([0, d3.max(num)]);
        
    var g = svg.append("g").attr("transform", "translate(100, 0)");
    
    g.selectAll("text").data(num).enter().append("text")
      .text(function(d) { return d; })
      .attr("y", 200)
      .attr("x", function(d, i) { return x(i) + 20; })
      .style("font-size", 12)
    	.style("text-anchor", "middle")
      .style("font-family", "monospace")
    	.style("fill","darkblue");

g.selectAll("rect").data(num).enter().append("rect")
    	.attr("x", function(d, i) { return x(i); })
    	.attr("y", function(d) { return 170 - y(d); })
    	.attr("height", function(d) { return y(d); })
			.attr("width", 500 / num.length - 10 )
    	.style("fill",function(d, i) { return col[i % col.length];})
			.style("opacity",1)
    	.style("stroke","orange")
    	.style("stroke-opacity",1)
  </script>
</body>

https://d3js.org/d3.v4.min.js