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The [@@toPrimitive]() method converts a Date object to a primitive value.



Return value

The primitive value of the given Date object. Depending on the argument, the method can return either a string or a number.


The [@@toPrimitive]() method of the Date object returns a primitive value, that is either of type number or of type string.

If hint is "string" or "default", [@@toPrimitive]() tries to call the toString method. If the toString property does not exist, it tries to call the valueOf method and if the valueOf does not exist either, [@@toPrimitive]() throws a TypeError.

If hint is "number", [@@toPrimitive]() first tries to call valueOf, and if that fails, it calls toString.

JavaScript calls the [@@toPrimitive]() method to convert an object to a primitive value. You rarely need to invoke the [@@toPrimitive]() method yourself; JavaScript automatically invokes it when encountering an object where a primitive value is expected.


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

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support ? ?44 ? ? ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support ? ? ?44 ? ? ?

See also

Document Tags and Contributors

المساهمون في هذه الصفحة: Delapouite, fscholz, eduardoboucas, arai
آخر مَن حدّثها: Delapouite,