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    GitHub
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  Samples
</a></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="Community Menu" class="dropdown-title"><span class="title">Ecosystem</span> <span class="arrow down"></span></button> <button type="button" aria-label="Community Menu" class="mobile-dropdown-title"><span class="title">Ecosystem</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="https://github.com/chartjs/awesome" target="_blank" rel="noopener noreferrer" class="nav-link external">
  Awesome
  <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></li><li class="dropdown-item"><!----> <a href="https://discord.gg/HxEguTK6av" target="_blank" rel="noopener noreferrer" class="nav-link external">
  Discord
  <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></li><li class="dropdown-item"><!----> <a href="https://stackoverflow.com/questions/tagged/chart.js" target="_blank" rel="noopener noreferrer" class="nav-link external">
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  <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></li></ul></div></div> <a href="https://github.com/chartjs/Chart.js" target="_blank" rel="noopener noreferrer" class="repo-link">
    GitHub
    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav>  <ul class="sidebar-links"><li><a href="/docs/latest/samples/information.html" class="sidebar-link">Chart.js Samples</a></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>Bar Charts</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/docs/latest/samples/bar/border-radius.html" class="sidebar-link">Bar Chart Border Radius</a></li><li><a href="/docs/latest/samples/bar/floating.html" class="sidebar-link">Floating Bars</a></li><li><a href="/docs/latest/samples/bar/horizontal.html" aria-current="page" class="active sidebar-link">Horizontal Bar Chart</a></li><li><a href="/docs/latest/samples/bar/stacked.html" class="sidebar-link">Stacked Bar Chart</a></li><li><a href="/docs/latest/samples/bar/stacked-groups.html" class="sidebar-link">Stacked Bar Chart with Groups</a></li><li><a href="/docs/latest/samples/bar/vertical.html" class="sidebar-link">Vertical Bar Chart</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Line Charts</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Other charts</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Area charts</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Scales</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Scale Options</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Legend</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Title</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Subtitle</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Tooltip</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Scriptable Options</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Animations</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Advanced</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Plugins</span> <span class="arrow right"></span></p> <!----></section></li><li><a href="/docs/latest/samples/utils.html" class="sidebar-link">Utils</a></li></ul> </aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="horizontal-bar-chart"><a href="#horizontal-bar-chart" class="header-anchor">#</a> Horizontal Bar Chart</h1> <div class="chart-editor" data-v-409fe714><div class="chart-view" data-v-409fe714><canvas></canvas></div> <div class="chart-actions" data-v-6c4d3f30 data-v-409fe714></div> <div class="code-editor" data-v-2b4f0900 data-v-409fe714><div class="code-editor-header" data-v-2b4f0900><div class="code-editor-tabs" data-v-2b4f0900><button class="code-editor-tab active" data-v-2b4f0900>
        config
      </button><button class="code-editor-tab" data-v-2b4f0900>
        setup
      </button><button class="code-editor-tab" data-v-2b4f0900>
        actions
      </button></div> <div class="code-editor-tools" data-v-2b4f0900><!----> <a href="https://github.com/chartjs/Chart.js/blob/master/docs/samples/bar/horizontal.md" title="View on GitHub" target="_blank" class="code-editor-tool fab fa-github fa-lg" data-v-2b4f0900></a></div></div> <div class="code-editor-views" data-v-2b4f0900><div class="editor-textarea ps" data-v-d2a140a2 data-v-2b4f0900><div class="editor-textarea-content" data-v-d2a140a2><div class="prism-editor-wrapper" data-v-d2a140a2><div class="prism-editor__container"><textarea spellCheck="false" autocapitalize="off" autocomplete="off" autocorrect="off" data-gramm="false" placeholder="" data-testid="textarea" class="prism-editor__textarea">const config = {
  type: 'bar',
  data: data,
  options: {
    indexAxis: 'y',
    // Elements options apply to all of the options unless overridden in a dataset
    // In this case, we are setting the border of each horizontal bar to be 2px wide
    elements: {
      bar: {
        borderWidth: 2,
      }
    },
    responsive: true,
    plugins: {
      legend: {
        position: 'right',
      },
      title: {
        display: true,
        text: 'Chart.js Horizontal Bar Chart'
      }
    }
  },
};</textarea><pre data-testid="preview" class="prism-editor__editor"><span class="token keyword">const</span> config <span class="token operator">=</span> <span class="token punctuation">{</span>
  <span class="token literal-property property">type</span><span class="token operator">:</span> <span class="token string">'bar'</span><span class="token punctuation">,</span>
  <span class="token literal-property property">data</span><span class="token operator">:</span> data<span class="token punctuation">,</span>
  <span class="token literal-property property">options</span><span class="token operator">:</span> <span class="token punctuation">{</span>
    <span class="token literal-property property">indexAxis</span><span class="token operator">:</span> <span class="token string">'y'</span><span class="token punctuation">,</span>
    <span class="token comment">// Elements options apply to all of the options unless overridden in a dataset</span>
    <span class="token comment">// In this case, we are setting the border of each horizontal bar to be 2px wide</span>
    <span class="token literal-property property">elements</span><span class="token operator">:</span> <span class="token punctuation">{</span>
      <span class="token literal-property property">bar</span><span class="token operator">:</span> <span class="token punctuation">{</span>
        <span class="token literal-property property">borderWidth</span><span class="token operator">:</span> <span class="token number">2</span><span class="token punctuation">,</span>
      <span class="token punctuation">}</span>
    <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token literal-property property">responsive</span><span class="token operator">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
    <span class="token literal-property property">plugins</span><span class="token operator">:</span> <span class="token punctuation">{</span>
      <span class="token literal-property property">legend</span><span class="token operator">:</span> <span class="token punctuation">{</span>
        <span class="token literal-property property">position</span><span class="token operator">:</span> <span class="token string">'right'</span><span class="token punctuation">,</span>
      <span class="token punctuation">}</span><span class="token punctuation">,</span>
      <span class="token literal-property property">title</span><span class="token operator">:</span> <span class="token punctuation">{</span>
        <span class="token literal-property property">display</span><span class="token operator">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
        <span class="token literal-property property">text</span><span class="token operator">:</span> <span class="token string">'Chart.js Horizontal Bar Chart'</span>
      <span class="token punctuation">}</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">;</span><br /></pre></div></div></div></div><div class="editor-textarea ps" style="display:none;" data-v-d2a140a2 data-v-2b4f0900><div class="editor-textarea-content" data-v-d2a140a2><div class="prism-editor-wrapper" data-v-d2a140a2><div class="prism-editor__container"><textarea spellCheck="false" autocapitalize="off" autocomplete="off" autocorrect="off" data-gramm="false" placeholder="" data-testid="textarea" class="prism-editor__textarea">const DATA_COUNT = 7;
const NUMBER_CFG = {count: DATA_COUNT, min: -100, max: 100};
const labels = Utils.months({count: 7});
const data = {
  labels: labels,
  datasets: [
    {
      label: 'Dataset 1',
      data: Utils.numbers(NUMBER_CFG),
      borderColor: Utils.CHART_COLORS.red,
      backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),
    },
    {
      label: 'Dataset 2',
      data: Utils.numbers(NUMBER_CFG),
      borderColor: Utils.CHART_COLORS.blue,
      backgroundColor: Utils.transparentize(Utils.CHART_COLORS.blue, 0.5),
    }
  ]
};</textarea><pre data-testid="preview" class="prism-editor__editor"><span class="token keyword">const</span> <span class="token constant">DATA_COUNT</span> <span class="token operator">=</span> <span class="token number">7</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> <span class="token constant">NUMBER_CFG</span> <span class="token operator">=</span> <span class="token punctuation">{</span><span class="token literal-property property">count</span><span class="token operator">:</span> <span class="token constant">DATA_COUNT</span><span class="token punctuation">,</span> <span class="token literal-property property">min</span><span class="token operator">:</span> <span class="token operator">-</span><span class="token number">100</span><span class="token punctuation">,</span> <span class="token literal-property property">max</span><span class="token operator">:</span> <span class="token number">100</span><span class="token punctuation">}</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> labels <span class="token operator">=</span> Utils<span class="token punctuation">.</span><span class="token function">months</span><span class="token punctuation">(</span><span class="token punctuation">{</span><span class="token literal-property property">count</span><span class="token operator">:</span> <span class="token number">7</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> data <span class="token operator">=</span> <span class="token punctuation">{</span>
  <span class="token literal-property property">labels</span><span class="token operator">:</span> labels<span class="token punctuation">,</span>
  <span class="token literal-property property">datasets</span><span class="token operator">:</span> <span class="token punctuation">[</span>
    <span class="token punctuation">{</span>
      <span class="token literal-property property">label</span><span class="token operator">:</span> <span class="token string">'Dataset 1'</span><span class="token punctuation">,</span>
      <span class="token literal-property property">data</span><span class="token operator">:</span> Utils<span class="token punctuation">.</span><span class="token function">numbers</span><span class="token punctuation">(</span><span class="token constant">NUMBER_CFG</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
      <span class="token literal-property property">borderColor</span><span class="token operator">:</span> Utils<span class="token punctuation">.</span><span class="token constant">CHART_COLORS</span><span class="token punctuation">.</span>red<span class="token punctuation">,</span>
      <span class="token literal-property property">backgroundColor</span><span class="token operator">:</span> Utils<span class="token punctuation">.</span><span class="token function">transparentize</span><span class="token punctuation">(</span>Utils<span class="token punctuation">.</span><span class="token constant">CHART_COLORS</span><span class="token punctuation">.</span>red<span class="token punctuation">,</span> <span class="token number">0.5</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
    <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token punctuation">{</span>
      <span class="token literal-property property">label</span><span class="token operator">:</span> <span class="token string">'Dataset 2'</span><span class="token punctuation">,</span>
      <span class="token literal-property property">data</span><span class="token operator">:</span> Utils<span class="token punctuation">.</span><span class="token function">numbers</span><span class="token punctuation">(</span><span class="token constant">NUMBER_CFG</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
      <span class="token literal-property property">borderColor</span><span class="token operator">:</span> Utils<span class="token punctuation">.</span><span class="token constant">CHART_COLORS</span><span class="token punctuation">.</span>blue<span class="token punctuation">,</span>
      <span class="token literal-property property">backgroundColor</span><span class="token operator">:</span> Utils<span class="token punctuation">.</span><span class="token function">transparentize</span><span class="token punctuation">(</span>Utils<span class="token punctuation">.</span><span class="token constant">CHART_COLORS</span><span class="token punctuation">.</span>blue<span class="token punctuation">,</span> <span class="token number">0.5</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">]</span>
<span class="token punctuation">}</span><span class="token punctuation">;</span><br /></pre></div></div></div></div><div class="editor-textarea ps" style="display:none;" data-v-d2a140a2 data-v-2b4f0900><div class="editor-textarea-content" data-v-d2a140a2><div class="prism-editor-wrapper" data-v-d2a140a2><div class="prism-editor__container"><textarea spellCheck="false" autocapitalize="off" autocomplete="off" autocorrect="off" data-gramm="false" placeholder="" data-testid="textarea" class="prism-editor__textarea">const actions = [
  {
    name: 'Randomize',
    handler(chart) {
      chart.data.datasets.forEach(dataset =&gt; {
        dataset.data = Utils.numbers({count: chart.data.labels.length, min: -100, max: 100});
      });
      chart.update();
    }
  },
  {
    name: 'Add Dataset',
    handler(chart) {
      const data = chart.data;
      const dsColor = Utils.namedColor(chart.data.datasets.length);
      const newDataset = {
        label: 'Dataset ' + (data.datasets.length + 1),
        backgroundColor: Utils.transparentize(dsColor, 0.5),
        borderColor: dsColor,
        borderWidth: 1,
        data: Utils.numbers({count: data.labels.length, min: -100, max: 100}),
      };
      chart.data.datasets.push(newDataset);
      chart.update();
    }
  },
  {
    name: 'Add Data',
    handler(chart) {
      const data = chart.data;
      if (data.datasets.length &gt; 0) {
        data.labels = Utils.months({count: data.labels.length + 1});
        for (let index = 0; index &lt; data.datasets.length; ++index) {
          data.datasets[index].data.push(Utils.rand(-100, 100));
        }
        chart.update();
      }
    }
  },
  {
    name: 'Remove Dataset',
    handler(chart) {
      chart.data.datasets.pop();
      chart.update();
    }
  },
  {
    name: 'Remove Data',
    handler(chart) {
      chart.data.labels.splice(-1, 1); // remove the label first
      chart.data.datasets.forEach(dataset =&gt; {
        dataset.data.pop();
      });
      chart.update();
    }
  }
];</textarea><pre data-testid="preview" class="prism-editor__editor"><span class="token keyword">const</span> actions <span class="token operator">=</span> <span class="token punctuation">[</span>
  <span class="token punctuation">{</span>
    <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'Randomize'</span><span class="token punctuation">,</span>
    <span class="token function">handler</span><span class="token punctuation">(</span><span class="token parameter">chart</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
      chart<span class="token punctuation">.</span>data<span class="token punctuation">.</span>datasets<span class="token punctuation">.</span><span class="token function">forEach</span><span class="token punctuation">(</span><span class="token parameter">dataset</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
        dataset<span class="token punctuation">.</span>data <span class="token operator">=</span> Utils<span class="token punctuation">.</span><span class="token function">numbers</span><span class="token punctuation">(</span><span class="token punctuation">{</span><span class="token literal-property property">count</span><span class="token operator">:</span> chart<span class="token punctuation">.</span>data<span class="token punctuation">.</span>labels<span class="token punctuation">.</span>length<span class="token punctuation">,</span> <span class="token literal-property property">min</span><span class="token operator">:</span> <span class="token operator">-</span><span class="token number">100</span><span class="token punctuation">,</span> <span class="token literal-property property">max</span><span class="token operator">:</span> <span class="token number">100</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
      <span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
      chart<span class="token punctuation">.</span><span class="token function">update</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  <span class="token punctuation">{</span>
    <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'Add Dataset'</span><span class="token punctuation">,</span>
    <span class="token function">handler</span><span class="token punctuation">(</span><span class="token parameter">chart</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
      <span class="token keyword">const</span> data <span class="token operator">=</span> chart<span class="token punctuation">.</span>data<span class="token punctuation">;</span>
      <span class="token keyword">const</span> dsColor <span class="token operator">=</span> Utils<span class="token punctuation">.</span><span class="token function">namedColor</span><span class="token punctuation">(</span>chart<span class="token punctuation">.</span>data<span class="token punctuation">.</span>datasets<span class="token punctuation">.</span>length<span class="token punctuation">)</span><span class="token punctuation">;</span>
      <span class="token keyword">const</span> newDataset <span class="token operator">=</span> <span class="token punctuation">{</span>
        <span class="token literal-property property">label</span><span class="token operator">:</span> <span class="token string">'Dataset '</span> <span class="token operator">+</span> <span class="token punctuation">(</span>data<span class="token punctuation">.</span>datasets<span class="token punctuation">.</span>length <span class="token operator">+</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
        <span class="token literal-property property">backgroundColor</span><span class="token operator">:</span> Utils<span class="token punctuation">.</span><span class="token function">transparentize</span><span class="token punctuation">(</span>dsColor<span class="token punctuation">,</span> <span class="token number">0.5</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
        <span class="token literal-property property">borderColor</span><span class="token operator">:</span> dsColor<span class="token punctuation">,</span>
        <span class="token literal-property property">borderWidth</span><span class="token operator">:</span> <span class="token number">1</span><span class="token punctuation">,</span>
        <span class="token literal-property property">data</span><span class="token operator">:</span> Utils<span class="token punctuation">.</span><span class="token function">numbers</span><span class="token punctuation">(</span><span class="token punctuation">{</span><span class="token literal-property property">count</span><span class="token operator">:</span> data<span class="token punctuation">.</span>labels<span class="token punctuation">.</span>length<span class="token punctuation">,</span> <span class="token literal-property property">min</span><span class="token operator">:</span> <span class="token operator">-</span><span class="token number">100</span><span class="token punctuation">,</span> <span class="token literal-property property">max</span><span class="token operator">:</span> <span class="token number">100</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
      <span class="token punctuation">}</span><span class="token punctuation">;</span>
      chart<span class="token punctuation">.</span>data<span class="token punctuation">.</span>datasets<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span>newDataset<span class="token punctuation">)</span><span class="token punctuation">;</span>
      chart<span class="token punctuation">.</span><span class="token function">update</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  <span class="token punctuation">{</span>
    <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'Add Data'</span><span class="token punctuation">,</span>
    <span class="token function">handler</span><span class="token punctuation">(</span><span class="token parameter">chart</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
      <span class="token keyword">const</span> data <span class="token operator">=</span> chart<span class="token punctuation">.</span>data<span class="token punctuation">;</span>
      <span class="token keyword">if</span> <span class="token punctuation">(</span>data<span class="token punctuation">.</span>datasets<span class="token punctuation">.</span>length <span class="token operator">></span> <span class="token number">0</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
        data<span class="token punctuation">.</span>labels <span class="token operator">=</span> Utils<span class="token punctuation">.</span><span class="token function">months</span><span class="token punctuation">(</span><span class="token punctuation">{</span><span class="token literal-property property">count</span><span class="token operator">:</span> data<span class="token punctuation">.</span>labels<span class="token punctuation">.</span>length <span class="token operator">+</span> <span class="token number">1</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">let</span> index <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> index <span class="token operator">&lt;</span> data<span class="token punctuation">.</span>datasets<span class="token punctuation">.</span>length<span class="token punctuation">;</span> <span class="token operator">++</span>index<span class="token punctuation">)</span> <span class="token punctuation">{</span>
          data<span class="token punctuation">.</span>datasets<span class="token punctuation">[</span>index<span class="token punctuation">]</span><span class="token punctuation">.</span>data<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span>Utils<span class="token punctuation">.</span><span class="token function">rand</span><span class="token punctuation">(</span><span class="token operator">-</span><span class="token number">100</span><span class="token punctuation">,</span> <span class="token number">100</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
        chart<span class="token punctuation">.</span><span class="token function">update</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
      <span class="token punctuation">}</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  <span class="token punctuation">{</span>
    <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'Remove Dataset'</span><span class="token punctuation">,</span>
    <span class="token function">handler</span><span class="token punctuation">(</span><span class="token parameter">chart</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
      chart<span class="token punctuation">.</span>data<span class="token punctuation">.</span>datasets<span class="token punctuation">.</span><span class="token function">pop</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
      chart<span class="token punctuation">.</span><span class="token function">update</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  <span class="token punctuation">{</span>
    <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'Remove Data'</span><span class="token punctuation">,</span>
    <span class="token function">handler</span><span class="token punctuation">(</span><span class="token parameter">chart</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
      chart<span class="token punctuation">.</span>data<span class="token punctuation">.</span>labels<span class="token punctuation">.</span><span class="token function">splice</span><span class="token punctuation">(</span><span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// remove the label first</span>
      chart<span class="token punctuation">.</span>data<span class="token punctuation">.</span>datasets<span class="token punctuation">.</span><span class="token function">forEach</span><span class="token punctuation">(</span><span class="token parameter">dataset</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
        dataset<span class="token punctuation">.</span>data<span class="token punctuation">.</span><span class="token function">pop</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
      <span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
      chart<span class="token punctuation">.</span><span class="token function">update</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">]</span><span class="token punctuation">;</span><br /></pre></div></div></div></div></div></div></div><h2 id="docs"><a href="#docs" class="header-anchor">#</a> Docs</h2> <ul><li><a href="/docs/latest/charts/bar.html">Bar</a> <ul><li><a href="/docs/latest/charts/bar.html#horizontal-bar-chart">Horizontal Bar Chart</a></li></ul></li></ul></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated:</span> <span class="time">4/15/2025, 1:19:05 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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