Document: designMode property

document.designMode controls whether the entire document is editable. Valid values are "on" and "off". According to the specification, this property is meant to default to "off". Firefox follows this standard. The earlier versions of Chrome and IE default to "inherit". Starting in Chrome 43, the default is "off" and "inherit" is no longer supported. In IE6-10, the value is capitalized.

Value

A string indicating whether designMode is (or should be) set to on or off. Valid values are on and off.

Examples

Make an <iframe>'s document editable:

iframeNode.contentDocument.designMode = "on";

Specifications

Specification
HTML # dom-document-designmode-dev

Browser compatibility

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`designMode`	Chrome – Partial support Chrome 1 – 35 (Release date: 2008-12-11) footnote Partial support footnote Only supported for `HTMLDocument`, not all `Document` objects. Chrome – Full support Chrome 36 (Release date: 2014-07-16) footnote Full support	Edge – Full support Edge 12 (Release date: 2015-07-29) footnote Full support	Firefox – Partial support Firefox 1 – 68 (Release date: 2004-11-09) footnote Partial support footnote Only supported for `HTMLDocument`, not all `Document` objects. Firefox – Full support Firefox 69 (Release date: 2019-09-03) footnote Full support	Opera – Full support Opera 9 (Release date: 2006-06-20) footnote Full support	Safari – Partial support Safari 1 – 10 (Release date: 2003-06-23) footnote Partial support footnote Only supported for `HTMLDocument`, not all `Document` objects. Safari – Full support Safari 10.1 (Release date: 2017-03-27) footnote Full support	Chrome Android – Partial support Chrome Android 18 – 35 (Release date: 2012-06-27) footnote Partial support footnote Only supported for `HTMLDocument`, not all `Document` objects. Chrome Android – Full support Chrome Android 36 (Release date: 2014-07-16) footnote Full support	Firefox for Android – Partial support Firefox for Android 4 – 68 (Release date: 2011-03-29) footnote Partial support footnote Only supported for `HTMLDocument`, not all `Document` objects. Firefox for Android – Full support Firefox for Android 79 (Release date: 2020-07-28) footnote Full support	Opera Android – Full support Opera Android 10.1 (Release date: 2010-11-09) footnote Full support	Safari on iOS – Partial support Safari on iOS 1 – 10 (Release date: 2007-06-29) footnote Partial support footnote Only supported for `HTMLDocument`, not all `Document` objects. Safari on iOS – Full support Safari on iOS 10.3 (Release date: 2017-03-27) footnote Full support	Samsung Internet – Partial support Samsung Internet 1 – 2.1 (Release date: 2013-04-27) footnote Partial support footnote Only supported for `HTMLDocument`, not all `Document` objects. Samsung Internet – Full support Samsung Internet 3 (Release date: 2015-04-10) footnote Full support	WebView Android – Partial support WebView Android 4.4 – 4.4.3 (Release date: 2013-12-09) footnote Partial support footnote Only supported for `HTMLDocument`, not all `Document` objects. WebView Android – Full support WebView Android 37 (Release date: 2014-09-03) footnote Full support	WebView on iOS – Partial support WebView on iOS 1 – 10 (Release date: 2007-06-29) footnote Partial support footnote Only supported for `HTMLDocument`, not all `Document` objects. WebView on iOS – Full support WebView on iOS 10.3 (Release date: 2017-03-27) footnote Full support

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Full support: Full support
Partial support: Partial support
: Has more compatibility info.

Document: designMode property

Value

Examples

Specifications

Browser compatibility

Legend

See also