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Online D3JS Editor

d3js 

<!-- source is https://bl.ocks.org/mbostock/4060366 -->
<!DOCTYPE html>
<htm>
<meta charset="utf-8">
<style>

.links {
  stroke: #000;
  stroke-opacity: 0.2;
}

.polygons {
  fill: none;
  stroke: #000;
}

.polygons :first-child {
  fill: #f00;
}

.sites {
  fill: #000;
  stroke: #fff;
}

.sites :first-child {
  fill: #fff;
}

</style>
<body>
<svg width="960" height="500"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>

var svg = d3.select("svg").on("touchmove mousemove", moved),
    width = +svg.attr("width"),
    height = +svg.attr("height");

var sites = d3.range(100)
    .map(function(d) { return [Math.random() * width, Math.random() * height]; });

var voronoi = d3.voronoi()
    .extent([[-1, -1], [width + 1, height + 1]]);

var polygon = svg.append("g")
    .attr("class", "polygons")
  .selectAll("path")
  .data(voronoi.polygons(sites))
  .enter().append("path")
    .call(redrawPolygon);

var link = svg.append("g")
    .attr("class", "links")
  .selectAll("line")
  .data(voronoi.links(sites))
  .enter().append("line")
    .call(redrawLink);

var site = svg.append("g")
    .attr("class", "sites")
  .selectAll("circle")
  .data(sites)
  .enter().append("circle")
    .attr("r", 2.5)
    .call(redrawSite);

function moved() {
  sites[0] = d3.mouse(this);
  redraw();
}

function redraw() {
  var diagram = voronoi(sites);
  polygon = polygon.data(diagram.polygons()).call(redrawPolygon);
  link = link.data(diagram.links()), link.exit().remove();
  link = link.enter().append("line").merge(link).call(redrawLink);
  site = site.data(sites).call(redrawSite);
}

function redrawPolygon(polygon) {
  polygon
      .attr("d", function(d) { return d ? "M" + d.join("L") + "Z" : null; });
}

function redrawLink(link) {
  link
      .attr("x1", function(d) { return d.source[0]; })
      .attr("y1", function(d) { return d.source[1]; })
      .attr("x2", function(d) { return d.target[0]; })
      .attr("y2", function(d) { return d.target[1]; });
}

function redrawSite(site) {
  site
      .attr("cx", function(d) { return d[0]; })
      .attr("cy", function(d) { return d[1]; });
}

</script>
</body>
</html>

D3js Bar Charts

d3js 

<html>
   <head>
      <script type = "text/javascript" src = "https://d3js.org/d3.v4.min.js"></script>
      <style>
         svg rect {
            fill: gray;
         }
         
         svg text {
            fill: yellow;
            font: 12px sans-serif;
            text-anchor: end;
         }
      </style>
   </head>

   <body>
      <script>
         var data = [10, 5, 12, 15];
         
        //  var width = 300 
        //     scaleFactor = 20, 
        //     barHeight = 30;
         
        //  var graph = d3.select("body")
        //     .append("svg")
        //     .attr("width", width)
        //     .attr("height", barHeight * data.length);
         
        //  var bar = graph.selectAll("g")
        //     .data(data)
        //     .enter()
        //     .append("g")
        //     .attr("transform", function(d, i) {
        //       return "translate(0," + i * barHeight + ")";
        //     });
        //  bar.append("rect").attr("width", function(d) {
        //     return d * scaleFactor;
        //  })
         
        //  .attr("height", barHeight - 1);
         
        //  bar.append("text")
        //     .attr("x", function(d) { return (d*scaleFactor); })
        //     .attr("y", barHeight / 2)
        //     .attr("dy", ".35em")
        //     .text(function(d) { return d; });
            
        
        
        d3.select("body")
  .append("svg")
  .attr("width", 600)
  .attr("height", 60 * data.length)
  .selectAll("g")
  .data(data)
  .enter()
  .append("g")
  .attr("transform", (d, i) => `translate(0,${i * 60})`)
  .append("rect")
  .attr("height", 60 - 2)
  .attr("width", d => 40 * d)
  .append("text")
  .attr("x", d => 43 * d)
  .attr("y", 30)
  .attr("dy", ".35em")
  .text(d => d);

      </script>
   </body>
</html>

Hello

d3js 

<!-- source is https://bl.ocks.org/mbostock/4060366 -->
<!DOCTYPE html>
<htm>
<meta charset="utf-8">
<style>

.links {
  stroke: #000;
  stroke-opacity: 0.2;
}

.polygons {
  fill: none;
  stroke: #000;
}

.polygons :first-child {
  fill: #f00;
}

.sites {
  fill: #000;
  stroke: #fff;
}

.sites :first-child {
  fill: #fff;
}

</style>
<body>
<svg width="960" height="500"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>

var svg = d3.select("svg").on("touchmove mousemove", moved),
    width = +svg.attr("width"),
    height = +svg.attr("height");

var sites = d3.range(100)
    .map(function(d) { return [Math.random() * width, Math.random() * height]; });

var voronoi = d3.voronoi()
    .extent([[-1, -1], [width + 1, height + 1]]);

var polygon = svg.append("g")
    .attr("class", "polygons")
  .selectAll("path")
  .data(voronoi.polygons(sites))
  .enter().append("path")
    .call(redrawPolygon);

var link = svg.append("g")
    .attr("class", "links")
  .selectAll("line")
  .data(voronoi.links(sites))
  .enter().append("line")
    .call(redrawLink);

var site = svg.append("g")
    .attr("class", "sites")
  .selectAll("circle")
  .data(sites)
  .enter().append("circle")
    .attr("r", 2.5)
    .call(redrawSite);

function moved() {
  sites[0] = d3.mouse(this);
  redraw();
}

function redraw() {
  var diagram = voronoi(sites);
  polygon = polygon.data(diagram.polygons()).call(redrawPolygon);
  link = link.data(diagram.links()), link.exit().remove();
  link = link.enter().append("line").merge(link).call(redrawLink);
  site = site.data(sites).call(redrawSite);
}

function redrawPolygon(polygon) {
  polygon
      .attr("d", function(d) { return d ? "M" + d.join("L") + "Z" : null; });
}

function redrawLink(link) {
  link
      .attr("x1", function(d) { return d.source[0]; })
      .attr("y1", function(d) { return d.source[1]; })
      .attr("x2", function(d) { return d.target[0]; })
      .attr("y2", function(d) { return d.target[1]; });
}

function redrawSite(site) {
  site
      .attr("cx", function(d) { return d[0]; })
      .attr("cy", function(d) { return d[1]; });
}

</script>
</body>
</html>

msrtest1

d3js 

<html>
<head>
    <title>Learn D3 in 5 minutes</title>
</head>
<body>

<h3>Today is a beautiful day!!</h3>

<script src='https://d3js.org/d3.v4.min.js'></script>
<ul></ul>
<svg></svg>
<script>
    var fruits = ['apple', 'mango', 'banana', 'orange'];
    d3.select('ul')
        .selectAll('li')
        .data(fruits)
        .enter()
        .append('li')
        .text(function(d) { return d; });
        //Select SVG element
/*var svg = d3.select('svg');
//Create rectangle element inside SVG
svg.append('rect')
   .attr('x', 60)
   .attr('y', 50)
   .attr('width', 200)
   .attr('height', 100)
   .attr('fill', 'yellow');*/
   


 // javascript
var dataset = [80, 100, 56, 120, 180, 30, 40, 120, 160];

var svgWidth = 500, svgHeight = 300, barPadding = 30;
var barWidth = (svgWidth / dataset.length);

var svg = d3.select('svg')
    .attr("width", svgWidth)
    .attr("height", svgHeight);
    
/*var barChart = svg.selectAll("rect")
    .data(dataset)
    .enter()
    .append("rect")
    .attr("y", function(d) {
        console.log(d);
         return svgHeight - d 
    })
    .attr("fill","yellow")
    .attr("height", function(d) { 
        return d; 
    })
    .attr("width", barWidth - barPadding)
    .attr("transform", function (d, i) {
        var translate = [barWidth * i, 0]; 
        return "translate("+ translate +") rotate(4)";
    });*/
    var cir=[20]
var circle=svg.selectAll("circle")
.data(dataset)
.enter()
            .append("circle")
           .attr("cx","90")
           .attr("cy","90")
           .attr("r","30")
           .attr("fill","yellow")
           
           

   
</script>
</body>
</html>

abcd

d3js 

<!-- source is https://bl.ocks.org/mbostock/4060366 -->
<!DOCTYPE html>
<htm>
<meta charset="utf-8">
<style>

.links {
  stroke: #000;
  stroke-opacity: 0.2;
}

.polygons {
  fill: none;
  stroke: #000;
}

.polygons :first-child {
  fill: #f00;
}

.sites {
  fill: #000;
  stroke: #fff;
}

.sites :first-child {
  fill: #fff;
}

</style>
<body>
<svg width="960" height="500"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>

var svg = d3.select("svg").on("touchmove mousemove", moved),
    width = +svg.attr("width"),
    height = +svg.attr("height");

var sites = d3.range(100)
    .map(function(d) { return [Math.random() * width, Math.random() * height]; });

var voronoi = d3.voronoi()
    .extent([[-1, -1], [width + 1, height + 1]]);

var polygon = svg.append("g")
    .attr("class", "polygons")
  .selectAll("path")
  .data(voronoi.polygons(sites))
  .enter().append("path")
    .call(redrawPolygon);

var link = svg.append("g")
    .attr("class", "links")
  .selectAll("line")
  .data(voronoi.links(sites))
  .enter().append("line")
    .call(redrawLink);

var site = svg.append("g")
    .attr("class", "sites")
  .selectAll("circle")
  .data(sites)
  .enter().append("circle")
    .attr("r", 2.5)
    .call(redrawSite);

function moved() {
  sites[0] = d3.mouse(this);
  redraw();
}

function redraw() {
  var diagram = voronoi(sites);
  polygon = polygon.data(diagram.polygons()).call(redrawPolygon);
  link = link.data(diagram.links()), link.exit().remove();
  link = link.enter().append("line").merge(link).call(redrawLink);
  site = site.data(sites).call(redrawSite);
}

function redrawPolygon(polygon) {
  polygon
      .attr("d", function(d) { return d ? "M" + d.join("L") + "Z" : null; });
}

function redrawLink(link) {
  link
      .attr("x1", function(d) { return d.source[0]; })
      .attr("y1", function(d) { return d.source[1]; })
      .attr("x2", function(d) { return d.target[0]; })
      .attr("y2", function(d) { return d.target[1]; });
}

function redrawSite(site) {
  site
      .attr("cx", function(d) { return d[0]; })
      .attr("cy", function(d) { return d[1]; });
}

</script>
</body>
</html>

D3 Library test

d3js 

<!DOCTYPE html>
<meta charset="UTF-8">
<style>
/* Make the badge float in the top right corner of the button */
.notification {
  background-color: #fa3e3e;
  border-radius: 2px;
  color: white;
 
  padding: 1px 3px;
  font-size: 10px;
  
  position: absolute; /* Position the badge within the relatively positioned button */
  top: 0;
  right: 0;
}

.node circle {
  fill: #fff;
  stroke: steelblue;
  stroke-width: 3px;
}

.node text {
  font: 12px sans-serif;
}

.link {
  fill: none;
  stroke: #ccc;
  stroke-width: 2px;
}

</style>

<body>

<!-- load the d3.js library -->	
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>

// Set the dimensions and margins of the diagram
var margin = {top: 20, right: 90, bottom: 30, left: 90},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

// append the svg object to the body of the page
// appends a 'group' element to 'svg'
// moves the 'group' element to the top left margin
var svg = d3.select("body").append("svg")
    .attr("width", width + margin.right + margin.left)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate("
          + margin.left + "," + margin.top + ")");

var i = 0,
    duration = 750,
    root;

// declares a tree layout and assigns the size
var treemap = d3.tree().size([height, width]);

var treeDataText = {
  "name": "Top Level",
  "children": [
    { 
      "name": "Level 2: A",
      "value": 1,
      "children": 
      [
        {
            "name": "Son of A",
            "value": 3
        },
        { 
            "name": "Daughter of A",
            "value": 5
        },
        { 
            "name": "Another Son of A",
            "value": 55
        }
      ]
    },
    { 
        "name": "Level 2: B",
        "value": 15
    }
  ]
};
var treeData =
  {
    "name": "Top Level",
    "value": 2,
    "type": "black",
    "level": "red",
    "children": [
      {
        "name": "Level 2: A",
        "value": 2,
        "type": "grey",
        "level": "red",
        "children": [
          {
            "name": "Son of A",
            "value": 0,
            "type": "steelblue",
            "level": "orange"
          },
          {
            "name": "Daughter of A",
            "value": 0,
            "type": "steelblue",
            "level": "red"
          }
        ]
      },
      {
        "name": "Level 2: B",
        "value": 0,
        "type": "grey",
        "level": "green"
      }
    ]
  };
// Assigns parent, children, height, depth
root = d3.hierarchy(treeData, function(d) { return d.children; });
root.x0 = height / 2;
root.y0 = 0;

// Collapse after the second level
root.children.forEach(collapse);

update(root);

// Collapse the node and all it's children
function collapse(d) {
  if(d.children) {
    d._children = d.children
    d._children.forEach(collapse)
    d.children = null
  }
}

function update(source) {

  // Assigns the x and y position for the nodes
  var treeData = treemap(root);

  // Compute the new tree layout.
  var nodes = treeData.descendants(),
      links = treeData.descendants().slice(1);

  // Normalize for fixed-depth.
  nodes.forEach(function(d){ d.y = d.depth * 180});

  // ****************** Nodes section ***************************

  // Update the nodes...
  var node = svg.selectAll('g.node')
      .data(nodes, function(d) {return d.id || (d.id = ++i); });

  // Enter any new modes at the parent's previous position.
  var nodeEnter = node.enter().append('g')
      .attr('class', 'node')
      .attr("transform", function(d) {
        return "translate(" + source.y0 + "," + source.x0 + ")";
    })
    

  // Add Circle for the nodes
  nodeEnter.append('circle')
      .attr('class', 'node')
      .attr('r', 1e-6)
      .style("fill", function(d) {
          return d._children ? "lightsteelblue" : "#fff";
      })
      

  // Add labels for the nodes
  nodeEnter.append('text')
      .attr("dy", ".35em")
      .attr("x", function(d) {
          return d.children || d._children ? -13 : 13;
      })
      .attr("text-anchor", function(d) {
          return d.children || d._children ? "end" : "start";
      })
      .text(function(d) { return d.data.name; });

    // Notification Sign
    nodeEnter.append('circle')
    .style("stroke","orange")
    .style("fill", "orange")
        .attr('class','NotificationSign')
        .attr('cx',10)
        .attr('cy',-10)
        .attr('r',function(d){
            return d._children ? 1e-6 : 0;
        });
        
    nodeEnter.append('text')
    .style("stroke","white")
    .style("fill", "white")
        .attr('class','NotificationSign')
        .attr('x',6)
        .attr('y',-6)
        .text(function(d){
            return d._children ? "+" : "";
        });
    
    // Notification Number    
    nodeEnter.append('circle')
    .style("stroke","#FF0000")
    .style("fill", "#FF0000")
        .attr('class','NotificationText')
        .attr('cx',17.5)
        .attr('cy',-17.5)
        .attr('r',function(d){
            return d._children ? 1e-6 : 0;
        });
        
    nodeEnter.append('text')
    .style("stroke","white")
    .style("fill", "white")
    .style("font-size",8)
        .attr('class','NotificationText')
        .attr('x',13)
        .attr('y',-13)
        .text(function(d){
            return d._children ? d._children.length : "";
        });
        
  // UPDATE
  var nodeUpdate = nodeEnter.merge(node);

  // Transition to the proper position for the node
  nodeUpdate.transition()
    .duration(duration)
    .attr("transform", function(d) { 
        return "translate(" + d.y + "," + d.x + ")";
     });

  // Update the node attributes and style
  nodeUpdate.select('circle.node')
    .attr('r', 10)
    .style("fill", function(d) {
        // if have children goes lightsteelblue else white
        return d._children ? "lightsteelblue" : "#fff";
    })
    .attr('cursor', 'pointer');
    
    nodeUpdate.select('circle.NotificationSign')
    .attr('r',function(d){
            return d._children || d.children ? 8 : 0;
        })
    .attr('cursor', 'pointer')
    .on('click', click);

    nodeUpdate.select('text.NotificationSign')
    .attr('x',6)
    .attr('y',-6)
    .text(function(d){
        if(d._children)
            return "+";
        else if (d.children)
            return "-";
        else
            return "";
        
    })
    .attr('cursor', 'pointer')
    .on('click', click);
    // Notification Number    
    nodeUpdate.select('circle.NotificationText')
    .style("stroke","#FF0000")
    .style("fill", "#FF0000")
        .attr('cx',17.5)
        .attr('cy',-17.5)
        .attr('r',function(d){
            return d._children ? 6 : 0;
        });
        
    nodeUpdate.select('text.NotificationText')
    .style("stroke","white")
    .style("fill", "white")
    .style("font-size",8)
        .attr('x',13)
        .attr('y',-13)
        .text(function(d){
            return d._children ? d._children.length : "";
        });
        
  // Remove any exiting nodes
  var nodeExit = node.exit().transition()
      .duration(duration)
      .attr("transform", function(d) {
          return "translate(" + source.y + "," + source.x + ")";
      })
      .remove();

  // On exit reduce the node circles size to 0
  nodeExit.selectAll('circle')
    .attr('r', function(d)
    {
        if (d.r >0)
            return 1e-6;
        else
            return 0;
    });

  // On exit reduce the opacity of text labels
  nodeExit.selectAll('text')
    .style('fill-opacity', 1e-6);

  // ****************** links section ***************************

  // Update the links...
  var link = svg.selectAll('path.link')
      .data(links, function(d) { return d.id; });

  // Enter any new links at the parent's previous position.
  var linkEnter = link.enter().insert('path', "g")
      .attr("class", "link")
      .attr('d', function(d){
        var o = {x: source.x0, y: source.y0}
        return diagonal(o, o)
      });

  // UPDATE
  var linkUpdate = linkEnter.merge(link);

  // Transition back to the parent element position
  linkUpdate.transition()
      .duration(duration)
      .attr('d', function(d){ return diagonal(d, d.parent) });

  // Remove any exiting links
  var linkExit = link.exit().transition()
      .duration(duration)
      .attr('d', function(d) {
        var o = {x: source.x, y: source.y}
        return diagonal(o, o)
      })
      .remove();

  // Store the old positions for transition.
  nodes.forEach(function(d){
    d.x0 = d.x;
    d.y0 = d.y;
  });

  // Creates a curved (diagonal) path from parent to the child nodes
  function diagonal(s, d) {

    path = `M ${s.y} ${s.x}
            C ${(s.y + d.y) / 2} ${s.x},
              ${(s.y + d.y) / 2} ${d.x},
              ${d.y} ${d.x}`

    return path
  }

     
  // Toggle children on click.
  function click(d) {
    if (d.children) {
        d._children = d.children;
        d.children = null;
      } else {
        d.children = d._children;
        d._children = null;
      }
    update(d);
  }
}

</script>
</body>

D3js Axis Program

d3js 

<html>
   <head>
      <script type = "text/javascript" src = "https://d3js.org/d3.v4.min.js"></script>
      <style>
         svg text {
            fill: purple;
            font: 12px sans-serif;
            text-anchor: end;
         }
      </style>
   </head>

   <body>
      <script>
         var width = 400, height = 400;
         var data = [101, 120, 141, 160, 180, 205];
         var svg = d3.select("body")
            .append("svg")
            .attr("width", width)
            .attr("height", height);
         
         var xscale = d3.scaleLinear()
            .domain([0, d3.max(data)])
            .range([0, width - 100]);
         
         var yscale = d3.scaleLinear()
            .domain([0, d3.max(data)])
            .range([height/2, 0]);
    
         var x_axis = d3.axisBottom().scale(xscale);
         
         var y_axis = d3.axisLeft().scale(yscale);
         
         svg.append("g")
            .attr("transform", "translate(150, 10)")
            .call(y_axis);
         
         var xAxisTranslate = height/2 + 10;
         
         svg.append("g")
            .attr("transform", "translate(50, " + xAxisTranslate  +")")
            .call(x_axis)
      </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>
        var data = [10, 22, 30, 25, 15];
         d3.select("#list").selectAll("li")
            .data(data)
            .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 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");
         
         console.log(d3.select(".myclass"));
      </script>
   </body>
</html>

jjjjj

d3js 

<html>
   <head>
      <script type = "text/javascript" src = "https://d3js.org/d3.v4.min.js"></script>
      <style>
         svg rect {
            fill: gray;
         }
         
         svg text {
            fill: yellow;
            font: 12px sans-serif;
            text-anchor: end;
         }
      </style>
   </head>

   <body>
      <script>
         var data = [10, 5, 12, 15];
         
         var width = 300 
            scaleFactor = 20, 
            barHeight = 30;
         
         var graph = d3.select("body")
            .append("svg")
            .attr("width", width)
            .attr("height", barHeight * data.length);
         
         var bar = graph.selectAll("g")
            .data(data)
            .enter()
            .append("g")
            .attr("transform", function(d, i) {
               return "translate(0," + i * barHeight + ")";
            });
         bar.append("rect").attr("width", function(d) {
            return d * scaleFactor;
         })
         
         .attr("height", barHeight - 1);
         
         bar.append("text")
            .attr("x", function(d) { return (d*scaleFactor); })
            .attr("y", barHeight / 2)
            .attr("dy", ".35em")
            .text(function(d) { return d; });
      </script>
   </body>
</html>

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