JSFiddle - React, Tailwind, and code Playground

by gene

HTML

<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
<!DOCTYPE html>
<body>
    <button onclick="remove()">remove</button>
    <button onclick="reinstate()">reinstate</button>
    <div id="graph"></div>

</body>

CSS

.link {
  stroke: #000;
  stroke-width: 1.5px;
}

.node {
  fill: #000;
  stroke: #fff;
  stroke-width: 1.5px;
}

.node.a { fill: #1f77b4; }
.node.b { fill: #ff7f0e; }
.node.c { fill: #2ca02c; }

JavaScript

var a = {id: "a", active:true}, 
    b = {id: "b", active:true}, 
    c = {id: "c", active:true};

var width = 500,
    height = 500;

var color = d3.scale.category10();

var nodes = [a, b, c],
    links = [{source: a, target: b}, 
             {source: a, target: c}, 
             {source: b, target: c}];

var force = d3.layout.force()
    .nodes(nodes)
    .links(links)
    .charge(-400)
    .linkDistance(120)
    .size([width, height])
    .on("tick", tick);

var svg = d3.select("#graph").append("svg")
    .attr("width", width)
    .attr("height", height);

var node = svg.selectAll(".node"),
    link = svg.selectAll(".link");


setTimeout(start, 0);

function remove() {
    alert("remove");
   b.active = false;
   showActive();
    alert("end of remove");
}

function reinstate() {
    alert("reinstate");
    b.active = true;
    showActive();
    alert("end of reinstate");
}

function start() {
  link = link.data(force.links(), function(d) { return d.source.id + "-" + d.target.id; });
  link.enter().insert("line", ".node").attr("class", "link");
  link.exit().remove();

  node = node.data(force.nodes(), function(d) { return d.id;});
  node.enter().append("circle").attr("class", function(d) { return "node " + d.id; }).attr("r", 8);
  node.exit().remove();

  force.start();
}

function tick() {
  node.attr("cx", function(d) { return d.x; })
      .attr("cy", function(d) { return d.y; })

  link.attr("x1", function(d) { return d.source.x; })
      .attr("y1", function(d) { return d.source.y; })
      .attr("x2", function(d) { return d.target.x; })
      .attr("y2", function(d) { return d.target.y; });
}

function showActive() {
    console.log('Hide InActive');
  //link = link.data(force.links(), function(d) { return d.source.id + "-" + d.target.id; });
    
    // filter before data call
    link = svg.selectAll(".link")
        .filter(function(d) { return ( d.source.active && d.target.active ); })
        .data(force.links(), function(d) { return d.source.id +...