LÖVE Documentation 0.4.0

getType( )	Gets an integer representing the type.
getAnchors( )	Gets the anchor points of the joint

getReactionForce( )	Gets the reaction force on Body 2 at the joint anchor.
getReactionTorque( )	Gets the reaction torque on Body 2.

getCollideConnected( )	Gets whether the connected Bodies collide.
setCollideConnected( collide )	Sets whether the connected Bodies should collide with eachother.

getLength( )	Gets the equilibrium distance between the two Bodies.
getFrequency( )	Gets the response speed.
getDamping( )	Gets the damping ratio.

setLength( length )	Sets the equilibrium distance between the two Bodies.
setFrequency( hz )	Sets the response speed.
setDamping( d )	Sets the damping ratio.