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Summarizer: length property

files/en-us/web/api/summarizer/length/index.md

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{{APIRef("Summarizer API")}}{{SeeCompatTable}}{{securecontext_header}}

The length read-only property of the {{domxref("Summarizer")}} interface returns the relative length of the generated summaries.

Value

An enumerated value specifying the relative length of the generated summaries, the exact nature of which depends on the Summarizer {{domxref("Summarizer.type", "type")}} value.

Possible values are:

  • short
    • : A "short" summary
      • For type tldr and teaser, the summary should fit into one sentence.
      • For type key-points, the summary should be no more than three bullet points.
      • For type headline, the summary should be no more than 12 words.
  • medium
    • : A "medium" summary
      • For type tldr and teaser, the summary should fit into one short paragraph.
      • For type key-points, the summary should be no more than five bullet points.
      • For type headline, the summary should be no more than 17 words.
  • long
    • : A "long" summary
      • For type tldr and teaser, the summary should fit into one paragraph.
      • For type key-points, the summary should be no more than seven bullet points.
      • For type headline, the summary should be no more than 22 words.

Examples

js
const summarizer = await Summarizer.create({
  length: "medium",
  // ...
});

// Logs "medium"
console.log(summarizer.length);

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also