You start going up when gliding with an elytra while holding "jump" on creative mode

You start going up when gliding with an elytra while holding jump button on creative mode without any fireworks or riptide trident

How to recreate: you glide of an edge with elytra and start holding jump button and your character starts going up

I tried recreating this on survival it didnt work

I tried this on android i dont know if it works on other platform i dont have other devices i can try it on