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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></nav>  <ul class="sidebar-links"><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Bar Charts</span> <span class="arrow right"></span></p> <!----></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 open"><span>Scale Options</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/docs/3.5.0/samples/scale-options/grid.html" aria-current="page" class="active sidebar-link">Grid Configuration</a></li><li><a href="/docs/3.5.0/samples/scale-options/ticks.html" class="sidebar-link">Tick Configuration</a></li><li><a href="/docs/3.5.0/samples/scale-options/titles.html" class="sidebar-link">Title Configuration</a></li><li><a href="/docs/3.5.0/samples/scale-options/center.html" class="sidebar-link">Center Positioning</a></li></ul></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/3.5.0/samples/utils.html" class="sidebar-link">Utils</a></li></ul> </aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="grid-configuration"><a href="#grid-configuration" class="header-anchor">#</a> Grid Configuration</h1> <p>This sample shows how to use scriptable grid options for an axis to control styling. In this case, the Y axis grid lines are colored based on their value. In addition, booleans are provided to toggle different parts of the X axis grid visibility.</p> <div class="chart-editor" data-v-365c20ab><div class="chart-view" data-v-365c20ab><canvas></canvas></div> <div class="chart-actions" data-v-2afd21f1 data-v-365c20ab></div> <div class="code-editor" data-v-66ca8197 data-v-365c20ab><div class="code-editor-header" data-v-66ca8197><div class="code-editor-tabs" data-v-66ca8197><button class="code-editor-tab active" data-v-66ca8197>
        config
      </button><button class="code-editor-tab" data-v-66ca8197>
        setup
      </button><button class="code-editor-tab" data-v-66ca8197>
        actions
      </button></div> <div class="code-editor-tools" data-v-66ca8197><!----> <a href="https://github.com/chartjs/Chart.js/blob/master/docs/samples/scale-options/grid.md" title="View on GitHub" target="_blank" class="code-editor-tool fab fa-github fa-lg" data-v-66ca8197></a></div></div> <div class="code-editor-views" data-v-66ca8197><div class="editor-textarea ps" data-v-05f11386 data-v-66ca8197><div class="editor-textarea-content" data-v-05f11386><div class="prism-editor-wrapper" data-v-05f11386><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">// Change these settings to change the display for different parts of the X axis
// grid configuiration
const DISPLAY = true;
const BORDER = true;
const CHART_AREA = true;
const TICKS = true;
const config = {
  type: 'line',
  data: data,
  options: {
    responsive: true,
    plugins: {
      title: {
        display: true,
        text: 'Grid Line Settings'
      }
    },
    scales: {
      x: {
        grid: {
          display: DISPLAY,
          drawBorder: BORDER,
          drawOnChartArea: CHART_AREA,
          drawTicks: TICKS,
        }
      },
      y: {
        grid: {
          drawBorder: false,
          color: function(context) {
            if (context.tick.value &gt; 0) {
              return Utils.CHART_COLORS.green;
            } else if (context.tick.value &lt; 0) {
              return Utils.CHART_COLORS.red;
            }
            return '#000000';
          },
        },
      }
    }
  },
};</textarea><pre data-testid="preview" class="prism-editor__editor"><span class="token comment">// Change these settings to change the display for different parts of the X axis</span>
<span class="token comment">// grid configuiration</span>
<span class="token keyword">const</span> <span class="token constant">DISPLAY</span> <span class="token operator">=</span> <span class="token boolean">true</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> <span class="token constant">BORDER</span> <span class="token operator">=</span> <span class="token boolean">true</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> <span class="token constant">CHART_AREA</span> <span class="token operator">=</span> <span class="token boolean">true</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> <span class="token constant">TICKS</span> <span class="token operator">=</span> <span class="token boolean">true</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> config <span class="token operator">=</span> <span class="token punctuation">{</span>
  type<span class="token operator">:</span> <span class="token string">'line'</span><span class="token punctuation">,</span>
  data<span class="token operator">:</span> data<span class="token punctuation">,</span>
  options<span class="token operator">:</span> <span class="token punctuation">{</span>
    responsive<span class="token operator">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
    plugins<span class="token operator">:</span> <span class="token punctuation">{</span>
      title<span class="token operator">:</span> <span class="token punctuation">{</span>
        display<span class="token operator">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
        text<span class="token operator">:</span> <span class="token string">'Grid Line Settings'</span>
      <span class="token punctuation">}</span>
    <span class="token punctuation">}</span><span class="token punctuation">,</span>
    scales<span class="token operator">:</span> <span class="token punctuation">{</span>
      x<span class="token operator">:</span> <span class="token punctuation">{</span>
        grid<span class="token operator">:</span> <span class="token punctuation">{</span>
          display<span class="token operator">:</span> <span class="token constant">DISPLAY</span><span class="token punctuation">,</span>
          drawBorder<span class="token operator">:</span> <span class="token constant">BORDER</span><span class="token punctuation">,</span>
          drawOnChartArea<span class="token operator">:</span> <span class="token constant">CHART_AREA</span><span class="token punctuation">,</span>
          drawTicks<span class="token operator">:</span> <span class="token constant">TICKS</span><span class="token punctuation">,</span>
        <span class="token punctuation">}</span>
      <span class="token punctuation">}</span><span class="token punctuation">,</span>
      y<span class="token operator">:</span> <span class="token punctuation">{</span>
        grid<span class="token operator">:</span> <span class="token punctuation">{</span>
          drawBorder<span class="token operator">:</span> <span class="token boolean">false</span><span class="token punctuation">,</span>
          <span class="token function-variable function">color</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">context</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
            <span class="token keyword">if</span> <span class="token punctuation">(</span>context<span class="token punctuation">.</span>tick<span class="token punctuation">.</span>value <span class="token operator">></span> <span class="token number">0</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
              <span class="token keyword">return</span> Utils<span class="token punctuation">.</span><span class="token constant">CHART_COLORS</span><span class="token punctuation">.</span>green<span class="token punctuation">;</span>
            <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token keyword">if</span> <span class="token punctuation">(</span>context<span class="token punctuation">.</span>tick<span class="token punctuation">.</span>value <span class="token operator">&lt;</span> <span class="token number">0</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
              <span class="token keyword">return</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 punctuation">}</span>
            <span class="token keyword">return</span> <span class="token string">'#000000'</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 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-05f11386 data-v-66ca8197><div class="editor-textarea-content" data-v-05f11386><div class="prism-editor-wrapper" data-v-05f11386><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 data = {
  labels: Utils.months({count: DATA_COUNT}),
  datasets: [
    {
      label: 'Dataset 1',
      data: [10, 30, 39, 20, 25, 34, -10],
      fill: false,
      borderColor: Utils.CHART_COLORS.red,
      backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),
    },
    {
      label: 'Dataset 2',
      data: [18, 33, 22, 19, 11, -39, 30],
      fill: false,
      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> data <span class="token operator">=</span> <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>count<span class="token operator">:</span> <span class="token constant">DATA_COUNT</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
  datasets<span class="token operator">:</span> <span class="token punctuation">[</span>
    <span class="token punctuation">{</span>
      label<span class="token operator">:</span> <span class="token string">'Dataset 1'</span><span class="token punctuation">,</span>
      data<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token number">10</span><span class="token punctuation">,</span> <span class="token number">30</span><span class="token punctuation">,</span> <span class="token number">39</span><span class="token punctuation">,</span> <span class="token number">20</span><span class="token punctuation">,</span> <span class="token number">25</span><span class="token punctuation">,</span> <span class="token number">34</span><span class="token punctuation">,</span> <span class="token operator">-</span><span class="token number">10</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
      fill<span class="token operator">:</span> <span class="token boolean">false</span><span class="token punctuation">,</span>
      borderColor<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>
      backgroundColor<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>
      label<span class="token operator">:</span> <span class="token string">'Dataset 2'</span><span class="token punctuation">,</span>
      data<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token number">18</span><span class="token punctuation">,</span> <span class="token number">33</span><span class="token punctuation">,</span> <span class="token number">22</span><span class="token punctuation">,</span> <span class="token number">19</span><span class="token punctuation">,</span> <span class="token number">11</span><span class="token punctuation">,</span> <span class="token operator">-</span><span class="token number">39</span><span class="token punctuation">,</span> <span class="token number">30</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
      fill<span class="token operator">:</span> <span class="token boolean">false</span><span class="token punctuation">,</span>
      borderColor<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>
      backgroundColor<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-05f11386 data-v-66ca8197><div class="editor-textarea-content" data-v-05f11386><div class="prism-editor-wrapper" data-v-05f11386><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();
    }
  },
];</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>
    name<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>count<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> min<span class="token operator">:</span> <span class="token operator">-</span><span class="token number">100</span><span class="token punctuation">,</span> max<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 punctuation">;</span><br /></pre></div></div></div></div></div></div></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated:</span> <span class="time">7/25/2021, 11:56:33 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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