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Scatter Plots in JavaScript

How to make D3.js-based line and scatter plots in JavaScript. Examples of basic and colored line and scatter plots.


New to Plotly?

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 trace1 = {
  x: [1, 2, 3, 4],
  y: [10, 15, 13, 17],
  mode: 'markers',
  type: 'scatter'
};

var trace2 = {
  x: [2, 3, 4, 5],
  y: [16, 5, 11, 9],
  mode: 'lines',
  type: 'scatter'
};

var trace3 = {
  x: [1, 2, 3, 4],
  y: [12, 9, 15, 12],
  mode: 'lines+markers',
  type: 'scatter'
};

var data = [trace1, trace2, trace3];

Plotly.newPlot('myDiv', data);
var trace1 = {
  x: [1, 2, 3, 4, 5],
  y: [1, 6, 3, 6, 1],
  mode: 'markers',
  type: 'scatter',
  name: 'Team A',
  text: ['A-1', 'A-2', 'A-3', 'A-4', 'A-5'],
  marker: { size: 12 }
};

var trace2 = {
  x: [1.5, 2.5, 3.5, 4.5, 5.5],
  y: [4, 1, 7, 1, 4],
  mode: 'markers',
  type: 'scatter',
  name: 'Team B',
  text: ['B-a', 'B-b', 'B-c', 'B-d', 'B-e'],
  marker: { size: 12 }
};

var data = [ trace1, trace2 ];

var layout = {
  xaxis: {
    range: [ 0.75, 5.25 ]
  },
  yaxis: {
    range: [0, 8]
  },
  title:'Data Labels Hover'
};

Plotly.newPlot('myDiv', data, layout);
var trace1 = {
  x: [1, 2, 3, 4, 5],
  y: [1, 6, 3, 6, 1],
  mode: 'markers+text',
  type: 'scatter',
  name: 'Team A',
  text: ['A-1', 'A-2', 'A-3', 'A-4', 'A-5'],
  textposition: 'top center',
  textfont: {
    family:  'Raleway, sans-serif'
  },
  marker: { size: 12 }
};

var trace2 = {
  x: [1.5, 2.5, 3.5, 4.5, 5.5],
  y: [4, 1, 7, 1, 4],
  mode: 'markers+text',
  type: 'scatter',
  name: 'Team B',
  text: ['B-a', 'B-b', 'B-c', 'B-d', 'B-e'],
  textfont : {
    family:'Times New Roman'
  },
  textposition: 'bottom center',
  marker: { size: 12 }
};

var data = [ trace1, trace2 ];

var layout = {
  xaxis: {
    range: [ 0.75, 5.25 ]
  },
  yaxis: {
    range: [0, 8]
  },
  legend: {
    y: 0.5,
    yref: 'paper',
    font: {
      family: 'Arial, sans-serif',
      size: 20,
      color: 'grey',
    }
  },
  title:'Data Labels on the Plot'
};

Plotly.newPlot('myDiv', data, layout);
var trace1 = {
  y: [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5],
  mode: 'markers',
  marker: {
    size: 40,
    color: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39]
  }
};

var data = [trace1];

var layout = {
  title: 'Scatter Plot with a Color Dimension'
};

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