basic grid and axes

<!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; }
   .axis .grid-line{
      stroke: black;
      shape-rendering: crispEdges;
      stroke-opacity: .1;
  	} 
  </style>
</head>

<body>
<script type="text/javascript"> 
    var height = 500,  
        width = 500,  
        margin = 25;        
     
    var svg = d3.select("body").append("svg") 
            .attr("class", "axis") 
            .attr("width", width) 
            .attr("height", height); 
     
    function renderXAxis(){ 
        var axisLength = width - 2 * margin; 
     
        var scale = d3.scaleLinear() 
                        .domain([0, 100]) 
                        .range([0, axisLength]); 
         
        var xAxis = d3.axisBottom() 
                .scale(scale); 
                 
        svg.append("g")        
            .attr("class", "x-axis") 
            .attr("transform", function(){  
                return "translate(" + margin + "," + (height - margin) + ")"; 
            }) 
            .call(xAxis); 
             
        d3.selectAll("g.x-axis g.tick") 
            .append("line") 
                .classed("grid-line", true) 
                .attr("x1", 0) 
                .attr("y1", 0) 
                .attr("x2", 0) 
                .attr("y2", - (height - 2 * margin));  
    } 
     
    function renderYAxis(){         
        var axisLength = height - 2 * margin; 
     
        var scale = d3.scaleLinear() 
                        .domain([100, 0]) 
                        .range([0, axisLength]); 
     
        var yAxis = d3.axisLeft() 
                .scale(scale); 
 
        svg.append("g")        
            .attr("class", "y-axis") 
            .attr("transform", function(){ 
                return "translate(" + margin + "," + margin +")"; 
            }) 
            .call(yAxis); 
             
        d3.selectAll("g.y-axis g.tick") 
            .append("line") 
                .classed("grid-line", true) 
                .attr("x1", 0) 
                .attr("y1", 0) 
                .attr("x2", axisLength) 
                .attr("y2", 0); 
    }    
     
    renderYAxis(); 
    renderXAxis(); 
</script> 
</body>

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