Quick histograms in the browser console with d3

index.js

const bins = d3.histogram()(data);
  const x = d3.scaleLinear().domain([0, d3.max(bins, d => d.length)]).range([0, 30]);
  console.table(bins.filter(bin => bin.length).map(bin => {
    const binMin = d3.min(bin).toLocaleString();
    const binMax = d3.max(bin).toLocaleString();
    return {
      range: [binMin, binMax].join('-'),
      bars: Array(Math.round(x(bin.length))).join('█'),
      num: bin.length
    };
  }));