chart

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Events

click, hover, legendclick, zoom, ready, render and destroy.

Listen with chart.on(name, fn) and stop with chart.off(name, fn). Hover or click the chart below.

Live example

Click the chart or move through it with the keyboard.

Code for this example

const chart = createChart('#chart', {
  type: 'bar',
  title: 'Orders by weekday',
  data: {
    labels: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri'],
    series: [{ name: 'Orders', data: [61, 70, 66, 74, 92] }],
  },
});
chart.on('click', (p) => log({ click: p.x, y: p.y, series: p.seriesName }));
chart.on('hover', (p) => p && log('hover ' + p.x));
EventPayloadWhen
clickChartPointA point, bar or slice is clicked or Enter is pressed (same as the onClick option)
hoverChartPoint | nullThe pointer moves to another item; null when it leaves
legendclick{ seriesIndex, visible }A legend item toggles a series
zoom{ start, end } | nullThe zoom range changes (x indexes)
readyChartOnce after creation (same as onReady)
renderChartEvery redraw
destroy-On destroy()

ChartPoint

{
  seriesIndex: 0,
  seriesName: 'Orders',
  index: 4,          // position on x
  x: 'Fri',           // label, number or date
  y: 92,
  percent?: 31.5,     // share for pies, donuts and 100% stacks
  color: '#3182f6',
}