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Browser Compatibility Testing of JAVASCRIPT String.prototype.includes

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

JAVASCRIPT String.prototype.includes

The includes() method determines whether one string may be found within another string, returning true or false as appropriate.

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BROWSER SUPPORT FOR JAVASCRIPT String.prototype.includes

Google Chrome

Chrome browser version 4 to Chrome browser version 40 doesn't supports. Chrome browser version 41 to Chrome browser version 70 suppports JAVASCRIPT String.prototype.includes.

Mozilla Firefox

Mozilla Firefox browser version 2 to Mozilla Firefox browser version 39 doesn't supports JAVASCRIPT String.prototype.includes. Mozilla Firefox browser version 40 to Mozilla Firefox browser version 63 supports JAVASCRIPT String.prototype.includes.

Internet Explorer

Internet Explorer browser version 6 to Internet Explorer browser version 11 doesn't supports JAVASCRIPT String.prototype.includes.


Safari browser version 3.1 to Safari browser version 8 doesn't supports. Safari browser version 9 to 12 supports JAVASCRIPT String.prototype.includes.

Microsoft Edge

Microsoft Edge browser version 12 to Microsoft Edge browser version 18 supports JAVASCRIPT String.prototype.includes property.


Opera browser version 10.1 and Opera browser version 27 doesn't supports JAVASCRIPT String.prototype.includes. Opera browser version 28 to Opera browser version 53 supports JAVASCRIPT String.prototype.includes.

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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