Scatter Chart

<wa-scatter-chart>

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Scatter charts reveal relationships between two variables by plotting data points on a grid. They are ideal for identifying correlations, clusters, and outliers in datasets.

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Scatter chart data uses {x, y} objects instead of simple arrays. Each data point must include both an x and y value.

<wa-scatter-chart id="scatter-hero" label="Height vs. Weight" description="A scatter chart showing the relationship between height and weight">
</wa-scatter-chart>
<script type="module">
  const chart = document.querySelector('#scatter-hero');

  chart.config = {
    data: {
      datasets: [{
        label: 'Measurements',
        data: [
          { x: 158, y: 55 },
          { x: 163, y: 62 },
          { x: 165, y: 68 },
          { x: 170, y: 72 },
          { x: 173, y: 75 },
          { x: 175, y: 80 },
          { x: 178, y: 78 },
          { x: 180, y: 85 },
          { x: 183, y: 82 },
          { x: 188, y: 90 }
        ]
      }]
    }
  };
</script>

For advanced configuration such as mixed chart types, custom plugins, and direct Chart.js access, see <wa-chart>.

Examples

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Providing Data with JavaScript

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For dynamic data, set the config property directly. The chart will re-render automatically.

<wa-scatter-chart id="scatter-js-example" label="Test Results" description="A scatter chart of study hours vs. scores">
</wa-scatter-chart>
<script type="module">
  const chart = document.querySelector('#scatter-js-example');

  chart.config = {
    data: {
      datasets: [{
        label: 'Students',
        data: [
          { x: 2, y: 65 },
          { x: 3, y: 72 },
          { x: 4, y: 78 },
          { x: 5, y: 82 },
          { x: 6, y: 88 },
          { x: 7, y: 85 },
          { x: 8, y: 92 },
          { x: 9, y: 95 }
        ]
      }]
    }
  };
</script>

Note that config is shallowly reactive. If you mutate the existing object in place, you must reassign it to trigger a re-render!

Providing Data with JSON

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Place a <script type="application/json"> tag inside the component. Each data point is an object with x and y properties.

<wa-scatter-chart label="Test Results" description="A scatter chart showing the correlation between study hours and test scores">
  <script type="application/json">
    {
      "data": {
        "datasets": [{
          "label": "Students",
          "data": [
            {"x": 2, "y": 65},
            {"x": 3, "y": 72},
            {"x": 4, "y": 78},
            {"x": 5, "y": 82},
            {"x": 6, "y": 88},
            {"x": 7, "y": 85},
            {"x": 8, "y": 92},
            {"x": 9, "y": 95}
          ]
        }]
      }
    }
  </script>
</wa-scatter-chart>

Multiple Datasets

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Use multiple datasets to compare groups. Each dataset is plotted in its own color.

<wa-scatter-chart id="scatter-multi" label="Group Comparison" description="A scatter chart comparing test results between two study groups">
</wa-scatter-chart>
<script type="module">
  const chart = document.querySelector('#scatter-multi');

  chart.config = {
    data: {
      datasets: [
        {
          label: 'Group A',
          data: [
            { x: 3, y: 70 },
            { x: 4, y: 75 },
            { x: 5, y: 82 },
            { x: 6, y: 85 },
            { x: 7, y: 90 }
          ]
        },
        {
          label: 'Group B',
          data: [
            { x: 2, y: 60 },
            { x: 4, y: 68 },
            { x: 5, y: 74 },
            { x: 7, y: 80 },
            { x: 8, y: 88 }
          ]
        }
      ]
    }
  };
</script>

Custom Colors

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Override the default color palette using the --fill-color-* and --border-color-* CSS custom properties on the component.

<wa-scatter-chart
  id="scatter-colors"
  label="Custom Colors"
  description="A scatter chart with custom point colors"
  style="
    --fill-color-1: var(--wa-color-cyan-60);
    --border-color-1: var(--wa-color-cyan-60);
  "
>
</wa-scatter-chart>
<script type="module">
  const chart = document.querySelector('#scatter-colors');

  chart.config = {
    data: {
      datasets: [{
        label: 'Observations',
        data: [
          { x: 10, y: 30 },
          { x: 20, y: 50 },
          { x: 30, y: 45 },
          { x: 40, y: 70 },
          { x: 50, y: 65 },
          { x: 60, y: 80 }
        ]
      }]
    }
  };
</script>

Point Radius

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Use the --point-radius CSS custom property to control the size of each plotted dot.

<wa-scatter-chart id="scatter-points" style="--point-radius: 8px" label="Large Points" description="A scatter chart with larger data point dots">
</wa-scatter-chart>
<script type="module">
  const chart = document.querySelector('#scatter-points');

  chart.config = {
    data: {
      datasets: [{
        label: 'Observations',
        data: [
          { x: 10, y: 30 },
          { x: 20, y: 50 },
          { x: 30, y: 45 },
          { x: 40, y: 70 },
          { x: 50, y: 65 },
          { x: 60, y: 80 }
        ]
      }]
    }
  };
</script>

Legend

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Use the legend-position attribute to control where the legend appears. Add without-legend to hide it entirely.

<wa-scatter-chart id="scatter-legend" legend-position="right" label="Legend on Right" description="A scatter chart with the legend on the right side">
</wa-scatter-chart>
<script type="module">
  const chart = document.querySelector('#scatter-legend');

  chart.config = {
    data: {
      datasets: [
        {
          label: 'Morning',
          data: [
            { x: 6, y: 15 },
            { x: 7, y: 22 },
            { x: 8, y: 30 },
            { x: 9, y: 28 }
          ]
        },
        {
          label: 'Afternoon',
          data: [
            { x: 12, y: 45 },
            { x: 13, y: 52 },
            { x: 14, y: 48 },
            { x: 15, y: 40 }
          ]
        }
      ]
    }
  };
</script>

Grid Lines

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Use the grid attribute to control which axes show grid lines. Options are both (default), x, y, and none.

<wa-scatter-chart id="scatter-grid" grid="none" label="No Grid" description="A scatter chart with grid lines hidden">
</wa-scatter-chart>
<script type="module">
  const chart = document.querySelector('#scatter-grid');

  chart.config = {
    data: {
      datasets: [{
        label: 'Points',
        data: [
          { x: 10, y: 20 },
          { x: 25, y: 50 },
          { x: 40, y: 35 },
          { x: 55, y: 70 },
          { x: 70, y: 55 }
        ]
      }]
    }
  };
</script>

Axis Labels

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Use the x-label and y-label attributes to add descriptive labels to each axis.

<wa-scatter-chart id="scatter-axis" x-label="Hours Studied" y-label="Score" label="Study Correlation" description="A scatter chart with labeled axes showing study hours vs. score">
</wa-scatter-chart>
<script type="module">
  const chart = document.querySelector('#scatter-axis');

  chart.config = {
    data: {
      datasets: [{
        label: 'Students',
        data: [
          { x: 1, y: 55 },
          { x: 3, y: 68 },
          { x: 5, y: 78 },
          { x: 7, y: 88 },
          { x: 9, y: 94 }
        ]
      }]
    }
  };
</script>

Disabling Tooltips

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Use the without-tooltip attribute to hide the tooltips that appear when hovering over data points.

<wa-scatter-chart id="scatter-tooltip" without-tooltip label="No Tooltips" description="A scatter chart with tooltips disabled">
</wa-scatter-chart>
<script type="module">
  const chart = document.querySelector('#scatter-tooltip');

  chart.config = {
    data: {
      datasets: [{
        label: 'Data',
        data: [
          { x: 5, y: 10 },
          { x: 15, y: 30 },
          { x: 25, y: 20 },
          { x: 35, y: 40 },
          { x: 45, y: 35 }
        ]
      }]
    }
  };
</script>

Disabling Animations

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Use the without-animation attribute to disable chart transitions.

<wa-scatter-chart id="scatter-anim" without-animation label="No Animation" description="A scatter chart with animation disabled">
</wa-scatter-chart>
<script type="module">
  const chart = document.querySelector('#scatter-anim');

  chart.config = {
    data: {
      datasets: [{
        label: 'Data',
        data: [
          { x: 5, y: 10 },
          { x: 15, y: 30 },
          { x: 25, y: 20 },
          { x: 35, y: 40 },
          { x: 45, y: 35 }
        ]
      }]
    }
  };
</script>

API

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Importing

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If you're using the autoloader or a hosted project, components load on demand — no manual import needed. To cherry-pick a component manually, use one of the following snippets.

CDN

npm

Self-Hosted

React

Import this component directly from the CDN:

import 'https://ka-f.webawesome.com/[email protected]/components/scatter-chart/scatter-chart.js';

After installing Web Awesome via npm, import this component:

import '@awesome.me/webawesome/dist/components/scatter-chart/scatter-chart.js';

If you're self-hosting Web Awesome, import this component from your server:

import './webawesome/dist/components/scatter-chart/scatter-chart.js';

To import this component for React 18 or below, use the following code:

import WaScatterChart from '@awesome.me/webawesome/dist/react/scatter-chart/index.js';

Slots

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Learn more about using slots.

Name	Description
(default)	An optional `<script type="application/json">` element containing the Chart.js configuration object.

Attributes & Properties

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Learn more about attributes and properties.

Name	Description	Reflects
`config`	The Chart.js configuration object. Setting this property will automatically re-render the chart. Type `ChartJS['config']`
`description` `description`	A description of the chart, used for accessibility. Type `string \| null` Default `null`
`grid` `grid`	Which axes to show grid lines on. Type `'x' \| 'y' \| 'both' \| 'none'` Default `'both'`
`indexAxis` `index-axis`	The base axis of the dataset. 'x' for vertical bars and 'y' for horizontal bars. Type `'x' \| 'y'` Default `'x'`
`label` `label`	A label for the chart, used for accessibility. Type `string \| null` Default `null`
`legendPosition` `legend-position`	The position of the legend relative to the chart. Type `LayoutPosition \| 'start' \| 'end'` Default `'top'`
`max` `max`	The maximum value for the value axis. Type `number \| null` Default `null`
`min` `min`	The minimum value for the value axis. Type `number \| null` Default `null`
`plugins` `plugins`	Additional Chart.js plugins to register for this chart instance. Type `array` Default `[]`
`stacked` `stacked`	Stacks datasets on top of each other along the value axis. Type `boolean` Default `false`
`type` `type`	The type of chart to render. Valid types include `bar`, `line`, `pie`, `doughnut`, `polarArea`, `radar`, `scatter`, and `bubble`. Type `ChartType` Default `'scatter'`
`withoutAnimation` `without-animation`	Disables chart animations Type `boolean` Default `false`
`withoutLegend` `without-legend`	Hides the legend Type `boolean` Default `false`
`withoutTooltip` `without-tooltip`	Hides tooltips over data points Type `boolean` Default `false`
`xLabel` `xLabel`	A label for the x-axis. Type `string \| null` Default `null`
`yLabel` `yLabel`	A label for the y-axis. Type `string \| null` Default `null`

CSS Custom Properties

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Learn more about CSS custom properties.

Name	Description
`--border-color-1`	Border color for the first dataset. Default `var(--wa-color-blue-60)`
`--border-color-2`	Border color for the second dataset. Default `var(--wa-color-pink-60)`
`--border-color-3`	Border color for the third dataset. Default `var(--wa-color-green-60)`
`--border-color-4`	Border color for the fourth dataset. Default `var(--wa-color-yellow-60)`
`--border-color-5`	Border color for the fifth dataset. Default `var(--wa-color-purple-60)`
`--border-color-6`	Border color for the sixth dataset. Default `var(--wa-color-orange-60)`
`--border-radius`	Border radius for bar charts. Default `var(--wa-border-radius-s)`
`--border-width`	Border width for bars and arcs. Default `var(--wa-border-width-s)`
`--fill-color-1`	Fill color for the first dataset. Default `color-mix(in srgb, var(--wa-color-blue-60) 40%, transparent)`
`--fill-color-2`	Fill color for the second dataset. Default `color-mix(in srgb, var(--wa-color-pink-60) 40%, transparent)`
`--fill-color-3`	Fill color for the third dataset. Default `color-mix(in srgb, var(--wa-color-green-60) 40%, transparent)`
`--fill-color-4`	Fill color for the fourth dataset. Default `color-mix(in srgb, var(--wa-color-yellow-60) 40%, transparent)`
`--fill-color-5`	Fill color for the fifth dataset. Default `color-mix(in srgb, var(--wa-color-purple-60) 40%, transparent)`
`--fill-color-6`	Fill color for the sixth dataset. Default `color-mix(in srgb, var(--wa-color-orange-60) 40%, transparent)`
`--grid-border-width`	Border width for chart grid lines and axis borders. Default `var(--wa-border-width-s)`
`--grid-color`	Color of the chart grid lines and axis borders. Default `var(--wa-color-neutral-border-quiet)`
`--line-border-width`	Border width for line and radar charts. Default `var(--wa-border-width-m)`
`--point-radius`	Radius of data point dots. Default `var(--wa-border-width-m)`

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Scatter Chart

Examples

Providing Data with JavaScript

Providing Data with JSON

Multiple Datasets

Custom Colors

Point Radius

Legend

Grid Lines

Axis Labels

Disabling Tooltips

Disabling Animations

API

Importing

Slots

Attributes & Properties

CSS Custom Properties

Quick Links

Recent Searches

Scatter Chart

Examples

Providing Data with JavaScript

Providing Data with JSON

Multiple Datasets

Custom Colors

Point Radius

Legend

Grid Lines

Axis Labels

Disabling Tooltips

Disabling Animations

API

Importing

Slots

Attributes & Properties

CSS Custom Properties

Quick Links

Recent Searches

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