line chart chart.js code example

Example 1: chartjs lineTension

options{	
	elements: {
        line: {
            tension: 0 // disables bezier curves
        }
	},
}

Example 2: chart js line and bar

var mixedChart = new Chart(ctx, {
    type: 'bar',
    data: {
        datasets: [{
            label: 'Bar Dataset',
            data: [10, 20, 30, 40],
            // this dataset is drawn below
            order: 1
        }, {
            label: 'Line Dataset',
            data: [10, 10, 10, 10],
            type: 'line',
            // this dataset is drawn on top
            order: 2
        }],
        labels: ['January', 'February', 'March', 'April']
    },
    options: options
});

Example 3: line chart using chart.js

new Chart(document.getElementById("line-chart"), {
  type: 'line',
  data: {
    labels: [1500,1600,1700,1750,1800,1850,1900,1950,1999,2050],
    datasets: [{ 
        data: [86,114,106,106,107,111,133,221,783,2478],
        label: "Africa",
        borderColor: "#3e95cd",
        fill: false
      }, { 
        data: [282,350,411,502,635,809,947,1402,3700,5267],
        label: "Asia",
        borderColor: "#8e5ea2",
        fill: false
      }, { 
        data: [168,170,178,190,203,276,408,547,675,734],
        label: "Europe",
        borderColor: "#3cba9f",
        fill: false
      }, { 
        data: [40,20,10,16,24,38,74,167,508,784],
        label: "Latin America",
        borderColor: "#e8c3b9",
        fill: false
      }, { 
        data: [6,3,2,2,7,26,82,172,312,433],
        label: "North America",
        borderColor: "#c45850",
        fill: false
      }
    ]
  },
  options: {
    title: {
      display: true,
      text: 'World population per region (in millions)'
    }
  }
});