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<!DOCTYPE html>
<html lang="en-US">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>Loop | Chart.js</title>
<meta name="generator" content="VuePress 1.9.9">
<link rel="icon" href="/docs/latest/favicon.ico">
<meta name="description" content="Open source HTML5 Charts for your website">
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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><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"><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"><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 open"><span>Animations</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/docs/latest/samples/animations/delay.html" class="sidebar-link">Delay</a></li><li><a href="/docs/latest/samples/animations/drop.html" class="sidebar-link">Drop</a></li><li><a href="/docs/latest/samples/animations/loop.html" aria-current="page" class="active sidebar-link">Loop</a></li><li><a href="/docs/latest/samples/animations/progressive-line.html" class="sidebar-link">Progressive Line</a></li><li><a href="/docs/latest/samples/animations/progressive-line-easing.html" class="sidebar-link">Progressive Line With Easing</a></li></ul></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="loop"><a href="#loop" class="header-anchor">#</a> Loop</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/animations/loop.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: 'line',
data: data,
options: {
animations: {
radius: {
duration: 400,
easing: 'linear',
loop: (context) => context.active
}
},
hoverRadius: 12,
hoverBackgroundColor: 'yellow',
interaction: {
mode: 'nearest',
intersect: false,
axis: 'x'
},
plugins: {
tooltip: {
enabled: false
}
}
},
};</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">'line'</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">animations</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">radius</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">duration</span><span class="token operator">:</span> <span class="token number">400</span><span class="token punctuation">,</span>
<span class="token literal-property property">easing</span><span class="token operator">:</span> <span class="token string">'linear'</span><span class="token punctuation">,</span>
<span class="token function-variable function">loop</span><span class="token operator">:</span> <span class="token punctuation">(</span><span class="token parameter">context</span><span class="token punctuation">)</span> <span class="token operator">=></span> context<span class="token punctuation">.</span>active
<span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token literal-property property">hoverRadius</span><span class="token operator">:</span> <span class="token number">12</span><span class="token punctuation">,</span>
<span class="token literal-property property">hoverBackgroundColor</span><span class="token operator">:</span> <span class="token string">'yellow'</span><span class="token punctuation">,</span>
<span class="token literal-property property">interaction</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">mode</span><span class="token operator">:</span> <span class="token string">'nearest'</span><span class="token punctuation">,</span>
<span class="token literal-property property">intersect</span><span class="token operator">:</span> <span class="token boolean">false</span><span class="token punctuation">,</span>
<span class="token literal-property property">axis</span><span class="token operator">:</span> <span class="token string">'x'</span>
<span class="token punctuation">}</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">tooltip</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">enabled</span><span class="token operator">:</span> <span class="token boolean">false</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: DATA_COUNT});
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),
tension: 0.4,
},
{
label: 'Dataset 2',
data: Utils.numbers(NUMBER_CFG),
borderColor: Utils.CHART_COLORS.blue,
backgroundColor: Utils.transparentize(Utils.CHART_COLORS.blue, 0.5),
tension: 0.2,
}
]
};</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 constant">DATA_COUNT</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 literal-property property">tension</span><span class="token operator">:</span> <span class="token number">0.4</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 literal-property property">tension</span><span class="token operator">:</span> <span class="token number">0.2</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span>
<span class="token punctuation">]</span>
<span class="token punctuation">}</span><span class="token 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 => {
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,
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 > 0) {
data.labels = Utils.months({count: data.labels.length + 1});
for (let index = 0; index < 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 => {
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">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"><</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/configuration/animations.html">Animations</a> <ul><li><a href="/docs/latest/configuration/animations.html#animation">animation</a> <ul><li><code>duration</code></li> <li><code>easing</code></li> <li><strong><code>loop</code></strong></li></ul></li> <li><a href="/docs/latest/configuration/animations.html#default-animations">Default animations (<code>radius</code>)</a></li></ul></li> <li><a href="/docs/latest/general/data-structures.html">Data structures (<code>labels</code>)</a></li> <li><a href="/docs/latest/configuration/elements.html">Elements</a> <ul><li><a href="/docs/latest/configuration/elements.html#point-configuration">Point Configuration</a> <ul><li><code>hoverRadius</code></li> <li><code>hoverBackgroundColor</code></li></ul></li></ul></li> <li><a href="/docs/latest/charts/line.html">Line</a></li> <li><a href="/docs/latest/general/options.html">Options</a> <ul><li><a href="/docs/latest/general/options.html#scriptable-options">Scriptable Options</a></li></ul></li> <li><a href="/docs/latest/configuration/tooltip.html">Tooltip (<code>enabled</code>)</a></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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