JSFiddle - React, Tailwind, and code Playground
HTML
<form oninput="chargeOut.value=chargeInput.value">
<table style="width:150px">
<tr><td colspan="2">Charge:
<output name="chargeOut" for="chargeInput"> </output>
</td></tr>
<tr><td colspan="2" align="center">
<input type="range" id="chargeInput" name="chargeInput" min="-350"
max="-1" value="-60" style="width:100%">
</td></tr>
</table>
</form>
<form oninput="linkStrOut.value=linkStrInput.value">
<table style="width:150px">
<tr><td colspan="2">Link Strength:
<output name="linkStrOut" for="linkStrInput"> </output>
</td></tr>
<tr><td colspan="2" align="center">
<input type="range" id="linkStrInput" name="linkStrInput" min="0"
max="1" value="0.03" step="0.01" style="width:100%">
</td></tr>
</table>
</form>
<div id='graph'></div>
JavaScript
var width = 960,
height = 500;
var color = d3.scale.category20();
var force = d3.layout.force()
.charge(-120)
.linkDistance(30)
.size([width, height]);
var svg = d3.select("#graph").append("svg")
.attr("width", width)
.attr("height", height);
function load(graph) {
force
.nodes(graph.nodes)
.links(graph.links)
.start();
var link = svg.selectAll(".link")
.data(graph.links)
.enter().append("line")
.attr("class", "link")
.style("stroke-width", function(d) { return Math.sqrt(d.value); });
var node = svg.selectAll(".node")
.data(graph.nodes)
.enter().append("circle")
.attr("class", "node")
.attr("r", 5)
.style("fill", function(d) { return color(d.group); })
.call(force.drag);
node.append("title")
.text(function(d) { return d.name; });
force.on("tick", function() {
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; });
node.attr("cx", function(d) { return d.x; })
.attr("cy", function(d) { return d.y; });
});
}
d3.select("#chargeInput").on("input", function () {
force.theta(ParseInt(chargeInput.value)/100).start()
})
d3.select("#linkStrInput").on("input", function () {
force.linkStrength(linkStrInput.value).start()
})
load({
"nodes":[
{"name":"Myriel","group":1},
{"name":"Napoleon","group":1},
{"name":"Mlle.Baptistine","group":1},
{"name":"Mme.Magloire","group":1},
{"name":"CountessdeLo","group":1},
{"name":"Geborand","group":1},
{"name":"Champtercier","group":1},
{"name":"Cravatte","group":1},
{"name":"Count","group":1},
{"name":"OldMan","group":1},
{"name":"Labarre","group":2},
{"name":"Valjean","group":2},
{"name":"Marguerite","group":3},
{"name":"Mme.deR","group":2},
...