linegraph_class7

<!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; }
    path{
      stroke:black;
    	stroke-width:2;
      fill:none;
    }
    line{
      stroke:black;
      stroke-width:2;
      fill:none;
    }
  </style>
</head>

<body>
  <script>
    
    var margin = {top: 20, right: 20, bottom: 30, left: 50},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;
    
    var xScale = d3.scaleLinear().domain([0,100]).range([0,width]);
    var yScale = d3.scaleLinear().domain([0,100]).range([height,0]);
    
    
    var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  	.append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
    
    var data = [[10,10], [20,70], [50,30], [55,85], [90,90]]
    
    var line = d3.line()
    	.x(function (d){return xScale(d[0])})
    	.y(function(d){return yScale(d[1])})

svg.append("path")
    	.attr("class", "line")
    	.datum(data)
    .attr("d",line);
    
  
  </script>
</body>

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