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How do I get the information from a meta tag with JavaScript?

The information I need is in a meta tag. How can I access the "content" data of the meta tag when property="video"?

HTML:

<meta property="video" content="http://video.com/video33353.mp4" />

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Answer

You can use this:

function getMeta(metaName) {
  const metas = document.getElementsByTagName('meta');

  for (let i = 0; i < metas.length; i++) {
    if (metas[i].getAttribute('name') === metaName) {
      return metas[i].getAttribute('content');
    }
  }

  return '';
}

console.log(getMeta('video'));
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