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2018-04-22 20:08:03 -04:00

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Line
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Bar
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Radar
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Polar Area
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Scatter
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Area
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Linear
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Linear
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Styling
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Developers
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Chart.js API
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Updating Charts
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New Charts
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New Axes
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Contributing
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Additional Notes
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Comparison Table
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Popular Extensions
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<h1 id="getting-started">Getting Started</h1>
<p>Let&apos;s get started using Chart.js!</p>
<p>First, we need to have a canvas in our page.</p>
<pre><code class="lang-html"><span class="hljs-tag">&lt;<span class="hljs-name">canvas</span> <span class="hljs-attr">id</span>=<span class="hljs-string">&quot;myChart&quot;</span>&gt;</span><span class="hljs-tag">&lt;/<span class="hljs-name">canvas</span>&gt;</span>
</code></pre>
<p>Now that we have a canvas we can use, we need to include Chart.js in our page.</p>
<pre><code class="lang-html"><span class="hljs-tag">&lt;<span class="hljs-name">script</span> <span class="hljs-attr">src</span>=<span class="hljs-string">&quot;https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.4.0/Chart.min.js&quot;</span>&gt;</span><span class="undefined"></span><span class="hljs-tag">&lt;/<span class="hljs-name">script</span>&gt;</span>
</code></pre>
<p>Now, we can create a chart. We add a script to our page:</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">var</span> ctx = <span class="hljs-built_in">document</span>.getElementById(<span class="hljs-string">&apos;myChart&apos;</span>).getContext(<span class="hljs-string">&apos;2d&apos;</span>);
<span class="hljs-keyword">var</span> chart = <span class="hljs-keyword">new</span> Chart(ctx, {
<span class="hljs-comment">// The type of chart we want to create</span>
type: <span class="hljs-string">&apos;line&apos;</span>,
<span class="hljs-comment">// The data for our dataset</span>
data: {
labels: [<span class="hljs-string">&quot;January&quot;</span>, <span class="hljs-string">&quot;February&quot;</span>, <span class="hljs-string">&quot;March&quot;</span>, <span class="hljs-string">&quot;April&quot;</span>, <span class="hljs-string">&quot;May&quot;</span>, <span class="hljs-string">&quot;June&quot;</span>, <span class="hljs-string">&quot;July&quot;</span>],
datasets: [{
label: <span class="hljs-string">&quot;My First dataset&quot;</span>,
backgroundColor: <span class="hljs-string">&apos;rgb(255, 99, 132)&apos;</span>,
borderColor: <span class="hljs-string">&apos;rgb(255, 99, 132)&apos;</span>,
data: [<span class="hljs-number">0</span>, <span class="hljs-number">10</span>, <span class="hljs-number">5</span>, <span class="hljs-number">2</span>, <span class="hljs-number">20</span>, <span class="hljs-number">30</span>, <span class="hljs-number">45</span>],
}]
},
<span class="hljs-comment">// Configuration options go here</span>
options: {}
});
</code></pre>
<p>It&apos;s that easy to get started using Chart.js! From here you can explore the many options that can help you customise your charts with scales, tooltips, labels, colors, custom actions, and much more.</p>
<p>There are many examples of Chart.js that are available in the <code>/samples</code> folder of <code>Chart.js.zip</code> that is attached to every <a href="https://github.com/chartjs/Chart.js/releases" target="_blank">release</a>.</p>
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