Readonly
lengthReadonly
nameReturns the name of the function. Function names are read-only and can not be changed.
Determines whether the given value inherits from this function if this function was used as a constructor function.
A constructor function can control which objects are recognized as its instances by 'instanceof' by overriding this method.
For a given function, creates a bound function that has the same body as the original function. The this object of the bound function is associated with the specified object, and has the specified initial parameters.
Returns a string representation of a function.
Zh
表示可调用的函数。
En
Represents a callable function.