title: How to fill colour in Line using ctx html?
body: <p>Please check this link
  <a href="https://www.jovianarchive.com/content/charts/628003987200000000_.png" rel="nofollow noreferrer">https://www.jovianarchive.com/content/charts/628003987200000000_.png</a>.  i am creating same chart but all the lines and geometrical shapes are dynamic. in line there is colour with combination of balck and red (Look like stripe) want the same.
  My code</p>
  <pre><code>ctx.fillStyle = 'blue';
  ctx.fill();
  ctx.strokeStyle = 'blue';
  ctx.stroke();
  </code></pre>