Convert a D flip flop to a jk flip flop?

This webpage have a detailed instruction on how to convert a D flip flop to a JK flip flop: Link: http://www.play-hookey.com/digital/converting_ff_inputs.html

we can convert S-R flip flop very easily by neglecting the s-terminal

A JK Flip Flop can be easily converted to a D flip flop by simply joining the J input and K input before it enters it's respective Logical AND Gate and inserting an inverter (a logical NOT Gate) in...

A T flip-flop can be converted in to a D flip-flop by introducing an inverter in the conductor that links the j and k terminals in the T flip-flop.

it will be the X-OR gate of D and the output Q