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The Map[@@toStringTag] property has an initial value of "Map".

Property attributes of Map.prototype[@@toStringTag]
Writable no
Enumerable no
Configurable yes



Example Map()) // "[object Map]"


Specification Status Comment
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'Map.prototype[@@toStringTag]' in that specification.
Standard Initial definition.
ECMAScript Latest Draft (ECMA-262)
The definition of 'Map.prototype[@@toStringTag]' in that specification.

Browser compatibility

Update compatibility data on GitHub
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung InternetNode.js
@@toStringTagChrome Full support 44Edge No support NoFirefox Full support 51IE No support NoOpera No support NoSafari No support NoWebView Android Full support 44Chrome Android Full support 44Firefox Android Full support 51Opera Android No support NoSafari iOS No support NoSamsung Internet Android Full support 4.0nodejs No support No


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