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

copy all meta values to a cache-object:

/* <meta name="video" content="some-video"> */

const meta = Array.from(document.querySelectorAll('meta[name]')).reduce((acc, meta) => (
  Object.assign(acc, { [meta.name]: meta.content })), {});

console.log(meta.video);

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