simple line

<!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>
  <script>
    var margin = { top: 30, right: 30, bottom: 30, left: 30 };
    var outerWidth = 900;
    var outerHeight = 500;
    var width = outerWidth - margin.left - margin.right;
    var height = outerHeight - margin.top - margin.bottom;
    
    var parseTime = d3.timeParse('%d-%b-%y');
    
    var x = d3.scaleTime()
    	.range([0, width]);
    
    var y = d3.scaleLinear()
    	.range([height, 0]);
    
    var line = d3.line()
    	.x(d => x(d.date))
    	.y(d => y(d.value));
    
    var svg = d3.select("body").append("svg")
      .attr("width", outerWidth)
      .attr("height", outerHeight)
    .append('g')
    	.attr('transform', `translate(${margin.left}, ${margin.right})`);
    
    function draw(error, data) {
      if (error) return;
      
      data.forEach(d => {
        d.date = parseTime(d.date);
        d.value = +d.value;
      });
      
     	x.domain(d3.extent(data, d => d.date));
      y.domain(d3.extent(data, d => d.value));
   
      svg.append('g')
      	.call(d3.axisLeft(y));
      
      svg.append('g')
      	.attr('transform', `translate(0, ${height})`)
      	.call(d3.axisBottom(x));
   
      svg.append('path')
      	.attr('class', 'line')
      	.attr('stroke', 'skyblue')
      	.attr('stroke-width', '1')
      	.attr('fill', 'none')
      	.attr('d', line(data));
    }

d3.csv('data.csv', draw);
  </script>
</body>

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