D3 Breadcrumb

<!DOCTYPE html>

<html>

<head>
  <meta charset="UTF-8">
  <title>Breadcrumb </title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <link rel="shortcut icon" type="image/png" href="assets/fav.png" />
  <meta property="og:title" content="D3 Breadcrumbs" />
  <meta property="og:description" content="Usage made easy" />
  <meta property="og:image" content="https://bumbeishvili.github.io/d3-breadcrumbs/assets/share.png"
  />
  <style>
    body {
      font-family: "Helvetica"
    }
  </style>
</head>

<body translate="no">
  <a href="https://github.com/bumbeishvili/d3-breadcrumbs">
    <img style="position:fixed;top:0;right:0;border:0;z-index:2;" width="149" height="149" src="forkme.png" alt="Fork me on GitHub">
  </a>
  <div class="container centered">
    <div id="myGraph"></div>
  </div>
  <div>
    <textarea>
        //just edit breadcrumb's default options here and see result above
        breadcrumb = d3.breadcrumb()
          .container('svg')   
          .padding(5)
          .wrapWidth(0)  // hint:  set 100 
          .height(28)
          .fontSize(14)
          .marginLeft(0)
          .marginTop(10)
          .leftDirection(false)
      
        // show breadcrumbs
        breadcrumb.show([{text:"Home"},{text:"Products"},{text:"Phones"},{text:"Some phone with large name"}]);
    </textarea>
  </div>
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <script src="codemirror.js"></script>
  <script src="javascript.js"></script>
  <LINK REL=StyleSheet HREF="codemirror.css" TYPE="text/css">
  <script src="breadcrumb.js"></script>
  <script>
    //initialize code editor
    var myCodeMirror = CodeMirror.fromTextArea(
      document.getElementsByTagName('textarea')[0],
      {
        lineNumbers: true,
        mode: "javascript",
        matchBrackets: true,
      }
    );

myCodeMirror.on("change", function (cm, change, text) {
      var value = myCodeMirror.getValue();
      eval(value)

});
  </script>

var svg = d3.select('#myGraph')
      .append('svg')
      .attr('width', 500)
      .attr('height', 400)
      .style('overflow', 'visible');

//initialize
    var breadcrumb = d3.breadcrumb()
      .container('svg')
      .padding(5)
      .wrapWidth(1200)

var topY = 230;

svg.append('text').text('Hover to see :)').attr('y', 200).attr('x', 100)
    svg.selectAll('rect')
      .data(d3.range(100).map(d => d - 1))
      .enter()
      .append('rect')
      .attr('fill', 'aqua')
      .attr('width', 20)
      .attr('height', 20)
      .attr('y', (d, i) => {
        return topY + 21 * Math.floor(i / 25);
      })
      .attr('x', (d, i) => {
        return 100 + (i % 25) * 21;
      })
      .on('mouseenter', function (d, i) {
        svg.selectAll('rect')
          .filter(d => d < i)
          .attr('fill', 'orange')
        var items = d3.range(i + 1).map(d => { return { text: d } });
        breadcrumb.show(items);
      })
      .on('mouseleave', function (d) {
        svg.selectAll('rect').attr('fill', 'aqua')
        breadcrumb.hide();
      })

</script>

</body>

</html>

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