docs: function isNative( value ) {
  	if ( !isFunction( value ) ) {
  		return false;
  	}
  	// Using `Function#toString` bypasses a value's own `toString` method to provide an extra, but not security proof, precaution to prevent a provided function from impersonating a native function...
  	return re.test( fcn2str.call( value ) );
  }