1. Web
  2. Web APIs
  3. TextDecoder
  4. ignoreBOM

TextDecoder: ignoreBOM property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.

Note: This feature is available in Web Workers.

The ignoreBOM read-only property of the TextDecoder interface is a Boolean indicating whether the byte order mark will be included in the output or skipped over. The value of the property is set in the ignoreBOM argument to the decoder's constructor.

Value

true if the byte order mark will be included in the decoded text; false if it will be skipped over when decoding and omitted.

Specifications

Specification
Encoding
# ref-for-dom-textdecoder-ignorebom①

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Bun
Deno
Node.js
ignoreBOM
Chrome – Full support
Chrome 38 (Release date: 2014-10-07)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 25 (Release date: 2014-10-15)
footnote Full support
Safari – Full support
Safari 10.1 (Release date: 2017-03-27)
footnote Full support
Chrome Android – Full support
Chrome Android 38 (Release date: 2014-10-08)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 25 (Release date: 2014-10-16)
footnote Full support
Safari on iOS – Full support
Safari on iOS 10.3 (Release date: 2017-03-27)
footnote Full support
Samsung Internet – Full support
Samsung Internet 3 (Release date: 2015-04-10)
footnote Full support
WebView Android – Full support
WebView Android 38 (Release date: 2014-10-08)
footnote Full support
WebView on iOS – Full support
WebView on iOS 10.3 (Release date: 2017-03-27)
footnote Full support
Bun – Full support
Bun 1.0.5 (Release date: 2023-10-11)
footnote Full support
Deno – Full support
Deno 1 (Release date: 2020-05-13)
footnote Full support
Node.js – Full support
Node.js 8.3 (Release date: 2017-08-09)
footnote Full support

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Full support

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