Resize Observer
Method for observing and reacting to changes to sizes of DOM elements. ResizeObserver enables you to be told when a component's substance square shape has changed its size, and respond in like manner. The spec is as of now being iterated on in the WICG and your criticism is especially welcome. ResizeObserver is a valuable crude. It responds to changes in size of any of the watched components, autonomous of what caused the change. It gives you access to the new size of the watched components, as well. We should get straight into it.

API
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With LambdaTest you can test your website on 2000+ browser and OS combinations for cross browser compatibility issues and ensure that your webpage fallbacks are working fine on browsers that do not support Resize Observer
.

BROWSER SUPPORT FOR Resize Observer
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 Observer
property.
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
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
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.
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