In browsers, document.defaultView returns the window object associated with a document, or null if none is available.
var win = document.defaultView;
This property is read-only.
| Specification | Status | Comment |
|---|---|---|
| HTML Living Standard The definition of 'Document.defaultView' in that specification. | Living Standard | No change |
| HTML5 The definition of 'Document.defaultView' in that specification. | Recommendation | Initial definition |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | Yes | Yes | Yes | 9 | Yes | Yes |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | Yes | Yes | ? | Yes | ? | ? | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/document/defaultView