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D3js Ellipse Program

d3js 

<html>
   <head>
      <script type = "text/javascript" src = "https://d3js.org/d3.v4.min.js"></script>
   </head>

   <body>
      <div id = "svgcontainer"></div>
      <script>
         var width = 300;
         var height = 300;
         var svg = d3.select("#svgcontainer")
            .append("svg")
            .attr("width", width)
            .attr("height", height);
         svg.append("ellipse")
            .attr("cx", 200)
            .attr("cy", 50)
            .attr("rx", 100)
            .attr("ry", 50)
            .attr("fill", "green")
      </script>
   </body>
</html>

D3js Circle Program

d3js 

<!DOCTYPE html>
<html>
   <head>
      <script type = "text/javascript" src = "https://d3js.org/d3.v4.min.js"></script>
   </head>

   <body>
      <div id = "svgcontainer"></div>
      <script>
         var width = 300;
         var height = 300;
         //Create SVG element
         var svg = d3.select("#svgcontainer")
            .append("svg")
            .attr("width", width)
            .attr("height", height);
         //Append circle 
         svg.append("circle")
            .attr("cx", 200)
            .attr("cy", 50)
            .attr("r", 20)
            .attr("fill", "green");
      </script>
   </body>
</html>

D3js Rectangle Program

d3js 

<!DOCTYPE html>
<html>
   <head>
      <script type = "text/javascript" src = "https://d3js.org/d3.v4.min.js"></script>
   </head>

   <body>
      <div id = "svgcontainer"></div>
      <script>
         var width = 300;
         var height = 300;
         //Create SVG element
         var svg = d3.select("#svgcontainer")
            .append("svg")
            .attr("width", width)
            .attr("height", height);
         //Create and append rectangle element
         svg.append("rect")
            .attr("x", 20)
            .attr("y", 20)
            .attr("width", 200)
            .attr("height", 100)
            .attr("fill", "green");
      </script>
   </body>
</html>

D3js SVG Line Example

d3js 

<!DOCTYPE html>
<html>
   <head>
      <script type = "text/javascript" src = "https://d3js.org/d3.v4.min.js"></script>
      <style>
         body { font-family: Arial; }
      </style>
   </head>

   <body>
      <div id = "svgcontainer">
      </div>
      <script language = "javascript">
         var width = 300;
         var height = 300;
         var svg = d3.select("#svgcontainer")
            .append("svg")
            .attr("width", width)
            .attr("height", height);
         svg.append("line")
            .attr("x1", 100)
            .attr("y1", 100)
            .attr("x2", 200)
            .attr("y2", 200)
            .style("stroke", "rgb(255,0,0)")
            .style("stroke-width", 2);
      </script>
   </body>
</html>

D3js SVG Line

d3js 

<!DOCTYPE html>
<html>
   <head>
      <script type = "text/javascript" src = "https://d3js.org/d3.v4.min.js"></script>
      <style>
         body { font-family: Arial; }
      </style>
   </head>

   <body>
      <div id = "svgcontainer">
         <svg width = "300" height = "300">
            <line x1 = "100" y1 = "100" 
               x2 = "200" y2 = "200" style = "stroke:rgb(255,0,0);
               stroke-width:2"/>
         </svg>
      </div>
      <p></p>
      <p></p>
   </body>
</html>

D3js Data Function

d3js 

<!DOCTYPE html>
<html>
   <head>
      <script type = "text/javascript" src = "https://d3js.org/d3.v4.min.js"></script>
      <style>
         body { font-family: Arial; }
      </style>
   </head>

   <body>
      <p></p>
      <p></p>
      <p></p>
      <script>
         var data = [1, 2, 3];
         var paragraph = d3.select("body")
         .selectAll("p")
         .data(data)
         .text(function (d, i) {
            console.log("d: " + d);
            console.log("i: " + i);
            console.log("this: " + this);
            return "The index is " + i + " and the data is " + d;
         });
      </script>
   </body>
</html>

D3js datum() Program

d3js 

<!DOCTYPE html>
<html>
   <head>
      <script type = "text/javascript" src = "https://d3js.org/d3.v4.min.js"></script>
   </head>

   <body>
      <p></p>
      <div></div>
      <script>
         d3.select("p")
         .datum(50)
         .text(function(d) { 
            return "Used existing paragraph element and the data " + d + " is assigned."; 
         });
         
         d3.select("div")
         .datum(100)
         .append("p")
         .text(function(d) { 
            return "Created new paragraph element and the data " + d + " is assigned."; 
         });
      </script>
   </body>
</html>

D3js remove() Program

d3js 

<!DOCTYPE html>
<html>
   <head>
      <script type = "text/javascript" src = "https://d3js.org/d3.v4.min.js"></script>
      <style>
         body { font-family: Arial; }
      </style>
   </head>

   <body>
      <ul id = "list">
         <li></li>
         <li></li>
      </ul>
        
      <input type = "button" name = "remove" value = "Remove fourth value" 
         onclick = "javascript:remove()" />
      
      <script>
         d3.select("#list").selectAll("li")
            .data([10, 20, 30, 25, 15])
            .text(function(d) 
               { return "This is pre-existing element and the value is " + d; })
            .enter()
            .append("li")
            .text(function(d) 
               { return "This is dynamically created element and the value is " + d; });
             
         function remove() {
            d3.selectAll("li")
            .data([10, 20, 30, 15])
            .exit()
            .remove()
         }
      </script>
   </body>
</html>

D3js selectAll() Program

d3js 

<!DOCTYPE html>
<html>
   <head>
      <script type = "text/javascript" src = "https://d3js.org/d3.v4.min.js"></script>
   </head>

   <body>
        <h2 class = "myclass">Message</h2>
      <div class = "myclass">
         Hello World!
      </div>
      
      <script>
         d3.selectAll(".myclass").attr("style", "color: red");
      </script>
   </body>
</html>

D3js style() Program

d3js 

<!DOCTYPE html>
<html>
   <head>
      <script type = "text/javascript" src = "https://d3js.org/d3.v4.min.js"></script>
   </head>

   <body>
      <div class = "myclass">
         Hello World!
      </div>
      
      <script>
         d3.select(".myclass").style("color", "red");
      </script>
   </body>
</html>

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