This sample shows how to use the tooltip position mode setting.
const config = {
type: 'line',
data: data,
options: {
interaction: {
intersect: false,
mode: 'index',
},
plugins: {
title: {
display: true,
text: (ctx) => {
const {axis = 'xy', intersect, mode} = ctx.chart.options.interaction;
return 'Mode: ' + mode + ', axis: ' + axis + ', intersect: ' + intersect;
}
},
}
}
};
const DATA_COUNT = 7;
const NUMBER_CFG = {count: DATA_COUNT, min: -100, max: 100};
const data = {
labels: Utils.months({count: DATA_COUNT}),
datasets: [
{
label: 'Dataset 1',
data: Utils.numbers(NUMBER_CFG),
fill: false,
borderColor: Utils.CHART_COLORS.red,
backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),
},
{
label: 'Dataset 2',
data: Utils.numbers(NUMBER_CFG),
fill: false,
borderColor: Utils.CHART_COLORS.blue,
backgroundColor: Utils.transparentize(Utils.CHART_COLORS.blue, 0.5),
},
]
};
const actions = [
{
name: 'Mode: index',
handler(chart) {
chart.options.interaction.axis = 'xy';
chart.options.interaction.mode = 'index';
chart.update();
}
},
{
name: 'Mode: dataset',
handler(chart) {
chart.options.interaction.axis = 'xy';
chart.options.interaction.mode = 'dataset';
chart.update();
}
},
{
name: 'Mode: point',
handler(chart) {
chart.options.interaction.axis = 'xy';
chart.options.interaction.mode = 'point';
chart.update();
}
},
{
name: 'Mode: nearest, axis: xy',
handler(chart) {
chart.options.interaction.axis = 'xy';
chart.options.interaction.mode = 'nearest';
chart.update();
}
},
{
name: 'Mode: nearest, axis: x',
handler(chart) {
chart.options.interaction.axis = 'x';
chart.options.interaction.mode = 'nearest';
chart.update();
}
},
{
name: 'Mode: nearest, axis: y',
handler(chart) {
chart.options.interaction.axis = 'y';
chart.options.interaction.mode = 'nearest';
chart.update();
}
},
{
name: 'Mode: x',
handler(chart) {
chart.options.interaction.mode = 'x';
chart.update();
}
},
{
name: 'Mode: y',
handler(chart) {
chart.options.interaction.mode = 'y';
chart.update();
}
},
{
name: 'Toggle Intersect',
handler(chart) {
chart.options.interaction.intersect = !chart.options.interaction.intersect;
chart.update();
}
},
];
# Docs
Last Updated: 6/14/2025, 8:19:17 PM
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