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Browser Compatibility Testing of JAVASCRIPT Proxy object

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Browser Compatibility Testing For CSS text-stroke and text-fill

JAVASCRIPT Proxy object

Proxy is an object in javascript which wraps an object or a function and monitors it via something called target. Irrespective of the wrapped object or function existence. Proxy are similar to meta programming in other languages. The Proxy object allows custom behavior to be defined for fundamental operations. Useful for logging, profiling, object visualization, etc.

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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 JAVASCRIPT Proxy object.

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Google Chrome

Chrome version 4 to 48 doesn't supports. Chrome version 49 to 70 suppports JAVASCRIPT Proxy object.

Mozilla Firefox

Firefox version 2 to 17 doesn't supports JAVASCRIPT Proxy object. Firefox version 18 to 63 supports JAVASCRIPT Proxy object.

Internet Explorer

IE browser version 6 to 11 supports JAVASCRIPT Proxy object.


Safari browser version 3.1 to 9.1 doesn't supports. Safari browser version 10 to 12 supports JAVASCRIPT Proxy object.

Microsoft Edge

Microsoft Edge browser version 12 to 18 supports JAVASCRIPT Proxy object property.


Opera version 10.1 to 35 doesn't supports JAVASCRIPT Proxy object. Opera version 36 to 53 supports JAVASCRIPT Proxy object.

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.

Other Browser Elements and Properties

All websites and webapps use collections of a lot of browser technologies and elements. Not all of these elements are supported by all browsers and browser versions. At LambdaTest you can test your website on all browsers and browser versions and easily debug browser compatibility issues in real time.

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