How to use the defaults function from chart.js

Find comprehensive JavaScript chart.js.defaults code examples handpicked from public code repositorys.

chart.js.defaults is an object that defines the default settings for Chart.js charts.

ex-indexcov-sex.html

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// Default annotation label options
var labelDefaults =
Chart.Annotation.labelDefaults = {
        backgroundColor: 'rgba(0,0,0,0.8)',
        fontFamily: Chart.defaults.global.defaultFontFamily,
        fontSize: Chart.defaults.global.defaultFontSize,
        fontStyle: 'bold',
        fontColor: '#fff',
        xPadding: 6,

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+ 47 other calls in file

chart.js

GitHub: Arcady1/Eye-tracker

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function chartInfoRendering_() {
    let canvas = document.getElementById("chart");
    let ctx = canvas.getContext("2d");
    // Chart defaults
    Chart.defaults.global.defaultFontColor = '#fff';
    // A new chart
    let myChart = new Chart(ctx, {
        type: 'line',
        data: {

+ 7 other calls in file

How does chart.js.defaults work?

chart.js.defaults is a JavaScript object that contains default settings for creating and configuring charts using the Chart.js library. It defines default values for various chart options, such as the chart type, data, labels, colors, scales, and other visual properties that can be customized when creating a chart. These defaults can be overridden by providing custom options to the chart constructor.

Chart.Financial.js

GitHub: AbdullahKhdir/feature

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module.exports = function(Chart) {


	Chart.defaults.candlestick = Object.assign({}, Chart.defaults.financial);
	Chart.defaults.candlestick.scales = {
		xAxes: [Object.assign({}, Chart.defaults.financial.scales.xAxes[0])],
		yAxes: [Object.assign({}, Chart.defaults.financial.scales.yAxes[0])]
	};


	Chart.controllers.candlestick = Chart.controllers.financial.extend({
		dataElementType: Chart.elements.Candlestick,

+ 80 other calls in file

graph.js

GitHub: Kiubi/alpha

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Chart.defaults.global.tooltips.backgroundColor = "#000";
Chart.defaults.global.tooltips.displayColors = false;
Chart.defaults.global.tooltips.intersect = false;
Chart.defaults.global.tooltips.titleFontFamily = "'Open Sans', sans-serif";
Chart.defaults.global.tooltips.bodyFontFamily = "'Open Sans', sans-serif";
Chart.defaults.global.tooltips.cornerRadius = 4;

this.chart = new Chart(this.getUI('chart'), {
        options: {
                maintainAspectRatio: false,

+ 63 other calls in file

Ai Example

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// Set a global option for all charts
Chart.defaults.global.animation.duration = 2000;

// Create a chart with modified global options
var ctx = document.getElementById("myChart").getContext("2d");
var myChart = new Chart(ctx, {
  type: "bar",
  data: {
    labels: ["Red", "Blue", "Yellow", "Green", "Purple", "Orange"],
    datasets: [
      {
        label: "# of Votes",
        data: [12, 19, 3, 5, 2, 3],
        backgroundColor: Chart.defaults.global.defaultColor,
        borderWidth: Chart.defaults.global.defaultBorderWidth,
      },
    ],
  },
  options: {
    scales: {
      yAxes: [
        {
          ticks: {
            beginAtZero: true,
          },
        },
      ],
    },
  },
});

In this example, a global option for the animation duration of all Chart.js charts is set to 2000 milliseconds. Then a new chart is created with modified global options and some additional options for the specific chart.

compiled.js

GitHub: MaiSone/intern23_addin

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var rudis = pointRudis[chartData.globalsetting[0].type];
var datalabelsDisplay = datalabels[chartData.globalsetting[0].type]; // font-family: 'Heebo', sans-serif;
// font-family: 'Noto Sans JP', sans-serif;

Chart.defaults.global.defaultFontColor = '#000000';
Chart.defaults.global.defaultFontFamily = "'Heebo', sans-serif";
ctxChart.fillStyle = '#FAFAF9';
var chart = new Chart.Chart(ctxChart, {
  type: chartType,
  data: chartData,

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