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isInstance(of:)

Returns a Boolean value indicating whether the value is an instance of another JavaScript object value.

Declaration

func isInstance(of value: Any!) -> Bool

Parameters

  • value:

    The value to be compared against.

Return Value

true if this value inherits from value; otherwise, false.

Discussion

This method is analogous to the instanceof operator in JavaScript: it tests for the presence of the specified value’s constructor prototype in this value’s prototype chain.

See Also

Comparing JavaScript Values