Or tiling values, as you can see if you have values between 0-1 then it will slide and repeat them.
I don't know if this tool is handy for you guys but I faced a situation while working on UVs and badly needed sth to do this slide, I started fixing it manually by creating a ramp and start moving points but it was tiresome.
If you opened the vop node you will find a crazy network so don't be scared.