This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The type read-only property of the Summarizer interface returns the type of summary that will generated by the Summarizer.
An enumerated value specifying the form the summary will be generated in; possible values are:
headlineA single sentence article headline, capturing the main point of the input text.
key-pointsA bulleted list specifying the most important points presented in the input text.
A "teaser" paragraph summarizing the most interesting or intriguing points of the input text, designed to draw the reader in to read more.
tldrA short, concise overview, designed as a summary for a busy reader.
const summarizer = await Summarizer.create({
type: "tldr",
// ...
});
// Logs "tldr"
console.log(summarizer.type);
| Specification |
|---|
| Writing Assistance APIs> # dom-summarizer-type> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
type |
138Availability may be subject to geographical restrictions. |
138 | No | 122Availability may be subject to geographical restrictions. |
No | No | No | No | No | No | No | No |
© 2005–2025 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/Summarizer/type