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Bar Charts in JavaScript

How to make a D3.js-based bar chart in javascript. Seven examples of grouped, stacked, overlaid, and colored bar charts.


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Plotly is a free and open-source graphing library for JavaScript. We recommend you read our Getting Started guide for the latest installation or upgrade instructions, then move on to our Plotly Fundamentals tutorials or dive straight in to some Basic Charts tutorials.

var data = [
  {
    x: ['giraffes', 'orangutans', 'monkeys'],
    y: [20, 14, 23],
    type: 'bar'
  }
];

Plotly.newPlot('myDiv', data);
var trace1 = {
  x: ['giraffes', 'orangutans', 'monkeys'],
  y: [20, 14, 23],
  name: 'SF Zoo',
  type: 'bar'
};

var trace2 = {
  x: ['giraffes', 'orangutans', 'monkeys'],
  y: [12, 18, 29],
  name: 'LA Zoo',
  type: 'bar'
};

var data = [trace1, trace2];

var layout = {barmode: 'group'};

Plotly.newPlot('myDiv', data, layout);
var trace1 = {
  x: ['giraffes', 'orangutans', 'monkeys'],
  y: [20, 14, 23],
  name: 'SF Zoo',
  type: 'bar'
};

var trace2 = {
  x: ['giraffes', 'orangutans', 'monkeys'],
  y: [12, 18, 29],
  name: 'LA Zoo',
  type: 'bar'
};

var data = [trace1, trace2];

var layout = {barmode: 'stack'};

Plotly.newPlot('myDiv', data, layout);
var trace1 = {
  x: ['Liam', 'Sophie', 'Jacob', 'Mia', 'William', 'Olivia'],
  y: [8.0, 8.0, 12.0, 12.0, 13.0, 20.0],
  type: 'bar',
  text: ['4.17 below the mean', '4.17 below the mean', '0.17 below the mean', '0.17 below the mean', '0.83 above the mean', '7.83 above the mean'],
  marker: {
    color: 'rgb(142,124,195)'
  }
};

var data = [trace1];

var layout = {
  title: 'Number of Graphs Made this Week',
  font:{
    family: 'Raleway, sans-serif'
  },
  showlegend: false,
  xaxis: {
    tickangle: -45
  },
  yaxis: {
    zeroline: false,
    gridwidth: 2
  },
  bargap :0.05
};

Plotly.newPlot('myDiv', data, layout);
var xValue = ['Product A', 'Product B', 'Product C'];

var yValue = [20, 14, 23];

var trace1 = {
  x: xValue,
  y: yValue,
  type: 'bar',
  text: yValue.map(String),
  textposition: 'auto',
  hoverinfo: 'none',
  marker: {
    color: 'rgb(158,202,225)',
    opacity: 0.6,
    line: {
      color: 'rgb(8,48,107)',
      width: 1.5
    }
  }
};

var data = [trace1];

var layout = {
  title: 'January 2013 Sales Report',
  barmode: 'stack'
};

Plotly.newPlot('myDiv', data, layout);
var xValue = ['Product A', 'Product B', 'Product C'];

var yValue = [20, 14, 23];
var yValue2 = [24, 16, 20];

var trace1 = {
  x: xValue,
  y: yValue,
  type: 'bar',
  text: yValue.map(String),
  textposition: 'auto',
  hoverinfo: 'none',
  opacity: 0.5,
  marker: {
    color: 'rgb(158,202,225)',
    line: {
      color: 'rgb(8,48,107)',
      width: 1.5
    }
  }
};

var trace2 = {
  x: xValue,
  y: yValue2,
  type: 'bar',
  text: yValue2.map(String),
  textposition: 'auto',
  hoverinfo: 'none',
  marker: {
    color: 'rgba(58,200,225,.5)',
    line: {
      color: 'rgb(8,48,107)',
      width: 1.5
    }
  }
};

var data = [trace1,trace2];

var layout = {
  title: 'January 2013 Sales Report'
};

Plotly.newPlot('myDiv', data, layout);
var trace1 = {
  x: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
  y: [20, 14, 25, 16, 18, 22, 19, 15, 12, 16, 14, 17],
  type: 'bar',
  name: 'Primary Product',
  marker: {
    color: 'rgb(49,130,189)',
    opacity: 0.7,
  }
};

var trace2 = {
  x: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
  y: [19, 14, 22, 14, 16, 19, 15, 14, 10, 12, 12, 16],
  type: 'bar',
  name: 'Secondary Product',
  marker: {
    color: 'rgb(204,204,204)',
    opacity: 0.5
  }
};

var data = [trace1, trace2];

var layout = {
  title: '2013 Sales Report',
  xaxis: {
    tickangle: -45
  },
  barmode: 'group'
};

Plotly.newPlot('myDiv', data, layout);
var trace1 = {
  x: ['Feature A', 'Feature B', 'Feature C', 'Feature D', 'Feature E'],
  y: [20, 14, 23, 25, 22],
  marker:{
    color: ['rgba(204,204,204,1)', 'rgba(222,45,38,0.8)', 'rgba(204,204,204,1)', 'rgba(204,204,204,1)', 'rgba(204,204,204,1)']
  },
  type: 'bar'
};

var data = [trace1];

var layout = {
  title: 'Least Used Feature'
};

Plotly.newPlot('myDiv', data, layout);
var trace0 = {
  type: 'bar',
  x: [1, 2, 3, 5.5, 10],
  y: [10, 8, 6, 4, 2],
  width: [0.8, 0.8, 0.8, 3.5, 4]
}

var data = [trace0]

Plotly.newPlot('myDiv', data);
var data = [
  {
    type: 'bar',
    x: ['2016','2017','2018'],
    y: [500,600,700],
    base: [-500,-600,-700],
    hovertemplate: '%{base}',
    marker: {
      color: 'red'
    },
    name: 'expenses'
  },
  {
    type: 'bar',
    x: ['2016','2017','2018'],
    y: [300,400,700],
    base: 0,
    marker: {
      color: 'blue'
    },
    name: 'revenue'
  }]

Plotly.newPlot('myDiv', data);
var trace1 = {
  x: [1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012],
  y: [219, 146, 112, 127, 124, 180, 236, 207, 236, 263, 350, 430, 474, 526, 488, 537, 500, 439],
  name: 'Rest of world',
  marker: {color: 'rgb(55, 83, 109)'},
  type: 'bar'
};

var trace2 = {
  x: [1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012],
  y: [16, 13, 10, 11, 28, 37, 43, 55, 56, 88, 105, 156, 270, 299, 340, 403, 549, 499],
  name: 'China',
  marker: {color: 'rgb(26, 118, 255)'},
  type: 'bar'
};

var data = [trace1, trace2];

var layout = {
  title: 'US Export of Plastic Scrap',
  xaxis: {tickfont: {
      size: 14,
      color: 'rgb(107, 107, 107)'
    }},
  yaxis: {
    title: 'USD (millions)',
    titlefont: {
      size: 16,
      color: 'rgb(107, 107, 107)'
    },
    tickfont: {
      size: 14,
      color: 'rgb(107, 107, 107)'
    }
  },
  legend: {
    x: 0,
    y: 1.0,
    bgcolor: 'rgba(255, 255, 255, 0)',
    bordercolor: 'rgba(255, 255, 255, 0)'
  },
  barmode: 'group',
  bargap: 0.15,
  bargroupgap: 0.1
};

Plotly.newPlot('myDiv', data, layout);
// Base

var xData = ['Product<br>Revenue', 'Services<br>Revenue',
  'Total<br>Revenue', 'Fixed<br>Costs',
  'Variable<br>Costs', 'Total<br>Costs', 'Total'
];

var yData = [400, 660, 660, 590, 400, 400, 340];

var textList = ['$430K', '$260K', '$690K', '$-120K', '$-200K', '$-320K', '$370K'];

//Base

var trace1 = {
  x: xData,
  y: [0, 430, 0, 570, 370, 370, 0],
  marker: {
    color: 'rgba(1,1,1,0.0)'
  },
  type: 'bar'
};

//Revenue

var trace2 = {
  x: xData,
  y: [430, 260, 690, 0, 0, 0, 0],
  type: 'bar',
  marker: {
    color: 'rgba(55,128,191,0.7)',
    line: {
      color: 'rgba(55,128,191,1.0)',
      width: 2
    }
  }
};

//Cost

var trace3 = {
  x: xData,
  y: [0, 0, 0, 120, 200, 320, 0],
  type: 'bar',
  marker: {
    color: 'rgba(219, 64, 82, 0.7)',
    line: {
      color: 'rgba(219, 64, 82, 1.0)',
      width: 2
    }
  }
};

//Profit

var trace4 = {
  x: xData,
  y: [0, 0, 0, 0, 0, 0, 370],
  type: 'bar',
  marker: {
    color: 'rgba(50,171, 96, 0.7)',
    line: {
      color: 'rgba(50,171,96,1.0)',
      width: 2
    }
  }
};

var data = [trace1, trace2, trace3, trace4];

var layout = {
  title: 'Annual Profit 2015',
  barmode: 'stack',
  paper_bgcolor: 'rgba(245,246,249,1)',
  plot_bgcolor: 'rgba(245,246,249,1)',
  width: 600,
  height: 600,
  showlegend: false,
  annotations: []
};

for ( var i = 0 ; i < 7 ; i++ ) {
  var result = {
    x: xData[i],
    y: yData[i],
    text: textList[i],
    font: {
      family: 'Arial',
      size: 14,
      color: 'rgba(245,246,249,1)'
    },
    showarrow: false
  };
  layout.annotations.push(result);
};

Plotly.newPlot('myDiv', data, layout);
var trace1 = {
  x: [1, 2, 3, 4],
  y: [1, 4, 9, 16],
  name: 'Trace1',
  type: 'bar'
};
var trace2 = {
  x: [1, 2, 3, 4],
  y: [6, -8, -4.5, 8],
  name: 'Trace2',
  type: 'bar'
};
var trace3 = {
  x: [1, 2, 3, 4],
  y: [-15, -3, 4.5, -8],
  name: 'Trace3',
  type: 'bar'
 }

 var trace4 = {
  x: [1, 2, 3, 4],
  y: [-1, 3, -3, -4],
  name: 'Trace4',
  type: 'bar'
 }

var data = [trace1, trace2, trace3, trace4];
var layout = {
  xaxis: {title: 'X axis'},
  yaxis: {title: 'Y axis'},
  barmode: 'relative',
  title: 'Relative Barmode'
};

Plotly.newPlot('myDiv', data, layout);