Chartjs tooltip interaction mode To set the tooltip and element's positions, utilize the Chart. Example: The below example disables everything on hover by using plugins and hover options. Jun 13, 2022 · The fix that worked for me was using the tooltip. Update the chart options to include the tooltips Apr 27, 2021 · Tooltip is part of interaction (together with hover): https://www. type] defaults Dataset animation Feb 9, 2022 · I'm currently trying to get my tooltip's chart (vuejs + chartjs) running as following : (Source with "mode: nearest, axis: xy" mode selected) Here is my code for the component : Vue. The tooltip event seems separate, so I had to use both lines to make the chart effectively static. tooltip 、グラフのツールチップのグローバル オプションは次のように定義されています。 Chart. 你还可以定义 自定义位置模式。 工具提示对齐 xAlign 和 yAlign 选项定义工具提示插入符号的位置。 mode • mode: keyof InteractionModeMap Sets which elements appear in the tooltip. Once created, i try to hover over i but i can't. type] options overrides [config. For information Mar 4, 2019 · I use ChartJS and customise tooltip, but have issue with position first and last tooltip's. Jul 25, 2024 · Tooltip Configuration Tooltip configuration options are defined in the options. Apr 9, 2021 · I'm using ChartJS (v 2. Nov 8, 2021 · I wanted to know if there is a way to show the tooltip on the line chart without going exactly hover the small single point but always, exactly like highcharts or Google. js v3 (see this guide). Oct 13, 2025 · Tooltip Tooltip Configuration Namespace: options. js is an open-source JavaScript library that helps developers create responsive, interactive charts and graphs, and integrates easily with React, Vue, and Angular. What you ask can be done more simply and without HTML in the tooltips (unless it's required for another reason) by changing the interaction mode to index in the options. Mar 19, 2025 · I want to make a scrollable tooltip in Chartjs because I have a lot of data to show. As you can see, the KoolReport's widget in general support dataSource could be DataStore, Process, DataSource or even simple array. For example, in this chart, the text will have a font size of 16px except for the labels in the legend. The following example would set the interaction mode to 'nearest' for all charts where this was not overridden by the chart type defaults or the options passed to the constructor on creation. Also it would be nice to show a vertical line dependent on the current active point. Interaction Modes This sample shows how to use the tooltip position mode setting. Jul 17, 2017 · I am afraid, that's not possible :/ you must hover over the points to show tooltips. js is a powerful Jun 27, 2022 · So there is a problem with custom tooltip interaction in ChartJS using it with React. You can apply these interactions using both the hover and tooltip. Oct 13, 2025 · Colors Charts support three color options: for geometric elements, you can change background and border colors; for textual elements, you can change the font color. Often, it is used to show trend data, or the comparison of two data sets. js Migrate from Chart. The table below gives the descriptions of various kinds of interactions we can use ? Oct 13, 2025 · Open source HTML5 Charts for your websiteCustom Tooltip Content This sample shows how to use the tooltip callbacks to add additional content to the tooltip. If set, the plugin will use nearest mode. Supports Chart. It's a UX problem. interaction. defaults Defined in types/index. Canvas − It provides us canvas element for dynamic images. Config Options These are the customisation options specific to Pie & Doughnut charts. We will be checking the tooltip opacity to show and hide our custom tooltip. defaults is used: The above example shows you how to create LineChart using ChartJs package. elements. Oct 13, 2025 · This sample shows how to use the tooltip position mode setting. e. View the full list of configuration options in the plotly. Similarly, the options can be set in the options. mode: 'nearest', the Chart. intersect mode is false, we find the nearest item and return the items at the same index as that item Defined in types/index. mode Defined in types/index. js Welcome to Chart. js on Stack Overflow (opens new window) Contribute to Chart. tooltips: { mode: 'point', }, hover: { mode: 'point', }, and then add the mode in the tooltips a few lines down: tooltips: { mode: 'point', callbacks: {} } Since the points down sit in the range of the bar chart, they aren't technically intersecting. How to Create Custom Interaction Mode for Tooltip in Chart JS 4 In this video we will explore how to create custom interaction mode for tooltips in chart js 4. js on PatreonHow to Create Custom Interaction Mode for Tooltip in Chart JS 4 Feb 10, 2025 · Standard customizations solution A solution that achieves the same behavior as the above one, without adding a dataset that might become apparent in some unforeseen context, is using three customizations: a custom interaction mode, that creates a PointElement for the tooltip at the missing points; the element is cloned from the default PointElelemnt but it is positioned at the y average and Nov 13, 2024 · Learn to create advanced data visualizations using Chart. Feb 28, 2020 · With tooltips. May 15, 2024 · The interaction solved the above issue but has introduced a new issue where the tooltip just won't display for bars with 100% length so in the attached image the tooltip doesn't show for the 1st two bars. Tooltip Interaction Modes This example shows how to build a line chart with settings for the values displayed on the tooltip when hovering using the mode and intersect properties. index • index: InteractionModeFunction Returns items at the same index. js plugin options to disable tooltips and legends while also setting the hover mode to null. hover namespace, in which case they will only affect the hover interaction. Important to say that I declared the interaction group to set the attribute mode: dataset, considering I want my tooltip be unique to all dataset, presenting all data values, plus the sum in the footer, as you can see in the images posted in the question above. Sep 9, 2021 · If you log the context you could see its an array containing objects, with the default interaction mode you are using it only contains a single item so you can select that one and then access the label attribute on it like so: Jun 25, 2020 · I want to have a dynamic tooltip inside my chart with buttons inside it. Mar 8, 2018 · I have a graph with multiple data points / lines. Here is an example. Events The following properties define how the chart interacts with Dec 6, 2021 · Either add some sort of nearestPerDataset mode and some sort of intersectRadius or maxDistance option, or make it easier to create new interaction modes by exporting more functions from core. Oct 13, 2025 · const config = { type: 'line', data: data, options: { responsive: true, plugins: { title: { display: true, text: 'Chart. interaction。要配置哪些事件触发图表交互，请参见 事件。 Chart. js interaction" and "chart. Aug 13, 2023 · To prevent activation of the tooltip for a dataset I'd implement a custom interaction mode and return an empty array if the closest point is from the inactive dataset. mode • mode: keyof InteractionModeMap Sets which elements appear in the tooltip. 8)) with font sizes for both the title (18) and body text (14). hover and options. js interface. plugins. By adjusting tooltip settings, developers can create charts that effectively communicate data insights and engage users effectively. interaction，全局交互配置位于 Chart. defaults. Open source HTML5 Charts for your websiteThis sample shows how to use the tooltip position mode setting. interaction: { mode: "index", } Apr 5, 2023 · If I change the mode to the nearest I see the desired behavior but then can't implement my customizations (updated annotations). These options are in Chart. Default colors If a color is not specified, a global default color from Chart. Now, I want to append percentage value to the data displayed in the tooltip. tooltip 、チャートツールチップのグローバルオプションは Chart. I tried using the code below, but it grouped everything together including the line chart. 1 Enumerations DecimationAlgorithm UpdateModeEnum Classes Animation Animations Animator ArcElement BasePlatform BasicPlatform Chart DatasetController DomPlatform PointElement Scale Interfaces ActiveDataPoint ActiveElement AnimationEvent ArcBorderRadius ArcHoverOptions ArcOptions ArcProps BackdropOptions BarControllerChartOptions BarControllerDatasetOptions BarElement Oct 13, 2025 · Line Chart A line chart is a way of plotting data points on a line. ツールチップ ツールチップの構成 名前空間: options. js event" will be covered in this article. Probably its because of data. tooltip. Customise tooltips and control their position, range, arrow and interactivity. js v2 Join the community on Discord (opens new window) and Twitter (opens new window) Post a question tagged with chart. Current behavior Ste References: Chartjs Docs: Tooltip Configuration - Interaction Modes mode : index - Finds item at the same index. stack propert 外部 HTML ツールチップ このサンプルでは、 外部ツールチップ機能を使用して HTML ツールチップを生成する方法を示します。 Aug 30, 2023 · When we combine mode: "index" and intersect: false chartjs will look for the nearest item (data node) in the x direction (left or right) from the cursor and select that item to apply the hover. It's the last argument in Plotly. external: It decided to use an external tooltip element instead of the one on the canvas. Chart Interactions Chart. srand (8); const data = { labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'], datasets: [ { type: 'line', label: 'Dataset 1', borderColor: 'rgb (54, 162, 235)', borderWidth: 2, fill: false, data: Utils Tooltip Interaction Modes This example shows how to build a line chart with settings for the values displayed on the tooltip when hovering using the mode and intersect properties. type defaults to config. fill default changed from true to false. External HTML Tooltip This sample shows how to use the external tooltip functionality to generate an HTML tooltip. 3. 0) link Oct 13, 2025 · Open source HTML5 Charts for your websiteChart. If set, the plugin will use xy mode. js provides built-in interaction capabilities (tooltips, hover effects). cjs_tooltip has various text positions above and below ‘title’, ‘label’ and ’footer. Interaction r axis is not supported by the plugin. インタラクション 名前空間: options. * options. The above example shows you how to create LineChart using ChartJs package. 交互 命名空间: options. The tooltip should then be displayed at the position of the mouse Jan 11, 2016 · Here is an example an Doughnut chart with a percentage tooltip (Chart. If I add the afterEvent handler to the plugin registration the tooltip and interpolation markers stop functioning (they no longer appear when hovering over the chart). js v3 or Chart. tooltip 命名空间中设置选项以独立配置工具提示交互。 ¥By default, these options apply to both the hover and tooltip interactions. May 17, 2024 · 工具提示 工具提示配置 命名空间： options. ts:13 Feb 13, 2022 · Which mean there will be 3 kinds of tooltips showing different information. type]. Tooltip Plugin Relevant source files The Tooltip plugin provides interactive data display for Chart. tooltip。 Sep 12, 2024 · In this example: Tooltips: Tooltips appear when the user hovers over elements of the chart. I had been looking at how i can add the html/jsx inside the tooltip. This seems possible by using mode="nearest" axis="xy", but th Tooltip Configuration Namespace: options. Note, initial animations still work on a chart with these options. Aug 27, 2024 · Chart. Download AG Charts v12. They require single values for across all tooltips, or template literals to apply particular values of the data to a tooltip. js charts. arc. Oct 13, 2025 · Similarly, the outerEnd, innerStart, and innerEnd properties can also be specified. tooltip, the global options for the chart tooltips is defined in Chart. i want to show like this I want to show both February and May when I point to February. 2. comp Mar 9, 2023 · Feature Proposal I would like to be able to only show one dataset in my tooltip: the one closest to the cursor for the hovered x value. If intersect false the nearest item is used to determine the index. ts:1133 Oct 13, 2025 · Tooltip Tooltip Configuration Namespace: options. html Hint: You are looking for the mode setting. type] defaults Dataset level options dataset. Dec 6, 2019 · options: { tooltips: { mode: 'point' } } }) HTML <canvas id="myChart"></canvas> nearest 最も近いアイテムを表示します。 "最も近いアイテム"は、アイテム (point、bar)の中心からの距離から算出します。 もし同じ距離のアイテムが2つ以上ある場合、もっとも範囲が狭いエリアを 'average' mode will place the tooltip at the average position of the items displayed in the tooltip. zoom in chart. ts:745 Feb 21, 2017 · I am using interaction mode = 'index' so I can display label and value for both the bars (from the two datasets) on the tooltip I see when hovering over a bar. js config argument sets properties like the mode bar buttons and the interactivity in the chart. element. Quickstart Install this library with peer dependencies: JavaScript Chart Tooltips provide extra contextual information to JavaScript charts. tooltip object in the chart configuration. 1 And I'm trying to show multiple tooltip in ChartJS like below. The defaults for each chart type are discussed in the documentation for that chart type. js's current function somehow? Here is my custom mode function: By default, these options apply to both the hover and tooltip interactions. I see an example with using customized tooltips here Chart JS Show HTML in Tooltip. What I'd like is the following: when you hover anywhere Expected Behavior When specifying a pointHoverRadius together with interaction mode x and a custom tooltip config the hoverRadius should still apply Current Behavior As soon as a tooltip object is introduced in the config the hover radiu Tooltip Interaction Modes This example shows how to build a line chart with settings for the values displayed on the tooltip when hovering using the mode and intersect properties. Feature Proposal Either add some sort of nearestPerDataset mode and some sort of intersectRadius or maxDistance option, or make it easier to create new interaction modes by exporting more functions from core. js Tooltips for Enhanced Insights Chart. Position Modes Possible modes are: 'average' 'nearest' 'average' mode will place the tooltip at the average position of the items displayed in the tooltip. Now I would like to have a tooltip, when I hover over the line not just when i hover over a point. 5. filter option to hide tooltips when the y value is null. Example of current behaviour of custom tooltip So originally I use interaction with intersect: false for my cha May 31, 2021 · Creating custom interpolation interaction modeI'll have to play with it a bit. May 15, 2023 · const AXIS = ['xy', 'x', 'y']; const MODE = ['nearest', 'point', 'x', 'y']; let axisIndex = 0; let modeIndex = 0; Utils. js interactions help us to communicate with the elements of our chart. interaction。どのイベントがチャートのインタラクションをトリガーするかを構成するには、を参照してください。 イベント。 Aug 19, 2022 · WARNING Interaction index and dataset modes are not supported by the plugin. Oct 13, 2025 · Open source HTML5 Charts for your websitePosition This sample shows how to use the tooltip position mode setting. Here is the list of the tooltip config options: enabled: Tooltips are enabled or disabled based on this setting. type] defaults. js's current function somehow? Here is my custom mode function: active • active: boolean = false Inherited from Element. Current behavior Seems like areas for tooltips are shifted when bar chart is stacked. chartjs. js to configure tooltips to get a similiar behavior to the chart that you referenced. js, the most popular charting library. If the options. Also, you can change the whole canvas background. js − Open-source free library − Chart. Oct 13, 2025 · Open source HTML5 Charts for your websiteconst config = { type: 'line', data: data, options: { responsive: true, interaction: { mode: 'index', intersect: false Nov 11, 2024 · How to Use the Chart. datasets[]. js Line Chart - Cubic interpolation mode' }, }, interaction: { intersect: false, }, scales: { x: { display: true, title: { display: true } }, y: { display: true, title: { display: true, text: 'Value' }, suggestedMin: -10 Oct 13, 2025 · Tooltip Tooltip Configuration Namespace: options. js — best if you're new to Chart. js - v4. If possible at least I wanted to separate line and bar chart tooltip grouping. 'x') Mar 16, 2023 · Get more from Chart. active Defined in core/core. You can also define custom position modes. y !== null; } } }, interaction: { intersect: false } } You can also check tooltipItem. intersect=false in polarArea chart, I would like to see one single row in the tooltip, no matter where I over the chart with the mouse. Currently, if you hover near a data point, it will display the label/value for that point. Apr 25, 2017 · If you want to add the percentage to the tooltip display, you can use tooltip callbacks. js Among many charting libraries for Oct 13, 2025 · Open source HTML5 Charts for your websiteFonts There are special global settings that can change all the fonts on the chart. As well as always show the tooltip at the top left. When configuring the interaction with the graph via interaction, hover or tooltips, a number of different modes are available. defaults to Chart. Oct 13, 2025 · The global general options are defined in Chart. Setting hover 'mode' to null seems to override all the ways the canvas looks for matching elements to assign activated :hover classes to. tooltip extend from options. Default 'nearest' Inherited from CoreInteractionOptions. js documentations states: If intersect is true, this is only triggered when the mouse position intersects an item in the graph. Here’s what I ended up doing: options: { plugins: { tooltip: { filter: function (tooltipItem) { // skip showing tooltip if y value is null return tooltipItem. org/docs/latest/configuration/interactions. 1 today: The best JavaScript Charts and JavaScript Graphs, in the World. js and JavaScript, with practical examples and techniques for effective representation of complex datasets. Sep 11, 2023 · Adding the tooltip We want to use the external 1 property on the tooltip plugin. js to build dashboards, explore its pros and cons, and see how Embeddable can enhance your analytics with advanced features. tooltip 中。 Nov 26, 2024 · Options The options for chartjs-plugin-zoom should be placed in options. parsed. I've tried different configurations for interactions (Chart. js configuration. ts:1580 Oct 13, 2025 · Tooltip Tooltip Configuration Namespace: options. When the user hover to an exact point will show the data for this point like that. Jan 17, 2022 · I want to make a separate tooltip for every stacked bar, Ex. At first i thought it react-chartjs-2 React components for Chart. Try to set intersect: false or define better suited interaction mode (i. Default 'nearest' Defined in types/index. Chart. I'm using custom tooltips rather than the built in one but I don't see how that should cause a problem This example shows how to build a line chart with settings for the values displayed on the tooltip when hovering using the mode and intersect properties. Adding a custom interaction is quite 同样，可以在 options. Feb 13, 2022 · Which mean there will be 3 kinds of tooltips showing different information. js v4 (read below) and Chart. is there any way show up multi tooltips promatically? I try to add some tooltip plugins but i don't know how to do it. tooltip で定義されています。 Jun 29, 2017 · 10 I am having issue with the default tooltip that chartjs provides as I can not add html inside the tooltips. datasets [dataset. can someone point me an example how to achieve the same with react-chartjs-2 library? Jul 23, 2025 · Disabling Using plugins and hover Options In this approach, we are using Chart. May 15, 2023 · WARNING Interaction index and dataset modes are not supported by the plugin. Jan 23, 2024 · Expected behavior Proper tooltip shown on bar is hovered. js source code on GitHub . Line charts no longer override the default interaction mode. Look like what i want is to create a custom tooltip. js Tooltip Plugin to Enhance Data Visualizations Unlocking the Full Potential of Your Data: Customizing Chart. js. I have made an external HTML tooltip referencing the official document, but I am not sure how to make it scrolla Feb 27, 2025 · Learn how to use Chart. Removing afterEvent brings back both items. tooltip namespace to independently configure the tooltip interactions. See Interaction Modes for details. Position of the mode. const config = { type: 'line', data: data, options: { interaction: { intersect: false, mode: 'index', }, plugins: { title: { display: true, text: (ctx) => { const Nov 21, 2019 · In your implementation, remove that piece of code. For more information, check out the mode tooltip config option and hover config options for your needs. newPlot calls. If the intersect setting is true, the first intersecting item is used to determine the index in the data. js Features Below are the features of Chart. js Among many charting libraries for Oct 13, 2025 · Bar Chart A bar chart provides a way of showing data values represented as vertical bars. My demo "2022-01-17" has TWO stacked bars with FOUR values but I need a total of Stack 1 group and Stack 2 group I've reviewed Jul 3, 2018 · Your solution is for hiding the tooltip when you hit unrelevant points, but the 'nearest' mode still seeing them and considering them in distance calculation. This configuration prevents any hover interactions and tooltip displays, making the chart static and non-interactive. Mar 15, 2017 · Yes, you can use chart. type, if not specified. The same options can be set in the options. This sample shows how to use the tooltip position mode setting. It renders contextual information about data points when users hover over or interact with chart elements. Oct 13, 2025 · Horizontal Bar default tooltip mode was changed from 'index' to 'nearest' to match vertical bar charts legend, title and tooltip namespaces were moved from Chart. The content of the tooltip is dynamically generated by a callback function, which appends the word "votes" to the dataset value. In this example, for purpose of chart demonstration only, we do use mock-up data from array. dataset options. js is a free open-source community-maintained library which you can use either in offline or online mode. . intersect parameter is true, we only return items if we intersect something If the options. Please correct me if I'm wrong. datasetIndex if you only wanna do Oct 4, 2020 · The plotly. Built-in charts − It provides the user various built-in charts such as Line, Bar, Horizontal Bar, Radar, Bubble etc. The data point tooltips are generated using callbacks via the configurations option: tooltips: { position: 'average', mode: 'index', intersect: Aug 22, 2025 · Expected behavior When using interaction. also in dataset mode tooltip will always show at center. line. tooltip，图表工具提示的全局选项定义在 Chart. ts:1580 Interface: Tooltip Hierarchy Plugin ↳ Tooltip Properties defaults • Optional defaults: Partial <AnyObject> Default options used in the plugin Inherited from Plugin. The tooltip background is customized to be black (rgba(0, 0, 0, 0. linecha Feb 16, 2023 · I want help to create a interaction mode for tooltip. Feature Use Case I have some dense data with uneven X values and would like for the tooltip to display the nearest value for each dataset. Oct 13, 2025 · When configuring the interaction with the graph via interaction, hover or tooltips, a number of different modes are available. Jun 9, 2021 · I have a line chart in chart. 9. May 17, 2025 · The configuration of "Chart. d. Is there any way to have a custom mode AND have the nearest mode by somehow extending Chart. 'nearest' will place the tooltip at the position of the element closest to the event position. 4) and I want the hover interaction / tooltip system (they work the same way from what I can tell) to select the point nearest (relative to the x axis) to the mouse pointer Oct 13, 2025 · Tooltip Tooltip Configuration Namespace: options. Simple yet flexible JavaScript charting library for the modern web This example shows how to build a line chart with settings for the values displayed on the tooltip when hovering using the mode and intersect properties. More advanced interactions can be implemented: Event Handling: Use Chart. The options are split in three sub-objects, limits, pan and zoom. Chart level options options overrides [config. Interactions The interaction with each arc can be controlled with the following properties: All these values, if undefined, fallback to the associated elements. Apr 6, 2024 · Tooltip configuration in Chart. The global font settings only apply when more specific options are not included in the config. interaction 、グローバル インタラクション構成は次のとおりです。 Chart. js enhances user experience and facilitates data exploration by providing informative guidance and interactive feedback. js events (see “Working with Events”) to respond to user actions (clicks, hovers) and trigger custom actions. The plugin integrates with the chart's interaction system to detect active elements and displays customizable tooltips with title, body, and footer sections. js Interactions) but fail to get the desired outcome. インタラクションモード hover (マウスオーバー)または tooltips (ツールチップ)を介してグラフとのインタラクションを設定する場合、いくつかの mode (モード)が利用できます。 以下では、このモードについてと、モードが intersect 設定とどのように協調して動作するかについて、詳しく説明します Sep 21, 2021 · However I'm unable to always show the nearest label depending on the mouse position on the X axis. js Why Chart. font. org/docs/ Nov 16, 2020 · I'm using ChartJS to generate some charts. It is sometimes used to show trend data, and the comparison of multiple data sets side by side. , to be used ¥ 'average' mode will place the tooltip at the average position of the items displayed in the tooltip. Oct 13, 2025 · Open source HTML5 Charts for your websiteExternal HTML Tooltip This sample shows how to use the external tooltip functionality to generate an HTML tooltip. js V4. js 4. Mar 10, 2023 · I Using Chart. (that's a bug with chartjs I guess) and there is no other methods to achieve that. Sep 20, 2024 · Here the jsfiddle with the solution. And everywhere else that is not a exactly point show index m Oct 13, 2025 · Open source HTML5 Charts for your websiteChart. Oct 13, 2025 · Options Option resolution Options are resolved from top to bottom, using a context dependent route. js! Get started with Chart. options. 4. Look: I suppose that in order to fix the problem, I need to use the https://www. The documentation has a list of all the possible customizable callback fields. ツールチップ ツールチップの設定 名前空間: options. But if you do create a point within the range, it'll be able to pick it up on the tooltip. 'average' mode will place the tooltip at the average position of the items displayed in the tooltip. angm ldpf wswkscac gphvw fdpbzkaj aorjyu omavyp cwflca sdv lfopopu uur hqwhbv wrgrk trtlh uof