Browser Compatibility Testing of Resize Observer

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Resize Observer
Resize Observer

Resize Observer

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Google Chrome

Chrome version 4 to 53 does not support Resize Observer. Chrome 54 to 63 is not supported by default but can be enabled via the 'Experimental Web Platform Features' flag. Chrome 64 to 67 supports Resize Observerproperty.

Mozilla Firefox

Resize Observer not supported by Mozilla Firefox browser version 2 to 61.

Internet Explorer

IE browser version 6 to 11 doesn't support Resize Observer.


Safari browser version 3.1 to 11.1 doesn't supports Resize Observer.

Microsoft Edge

Microsoft Edge browser version 12 to 17 does not support this property resize-observer.


Opera version 10.1 to 40 doesn't supports Resize Observer. Opera 41 to 51 is not supported by default but can be enabled via the 'Experimental Web Platform Features' flag. Opera 52 to 53 supports Resize Observer.

Information sourced from

"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.

  • Google Chrome
  • Mozilla
  • Edge
  • IE
  • opera
  • Safari
  • Yandex

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You can choose from a range of 3000+ desktop and mobile browsers including Chrome, Safari, Internet Explorer, Edge, Yandex, Opera, and Firefox allowing you to ensure that your customers get pixel perfect experience across all screen sizes, devices, operating systems, browsers, and resolutions.

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