How to double jump in Minecraft(BEDROCK) COMMANDS

Today i will show you hot make a double jump in minecraft.
COMMANDS:
/scoreboard players set @a JUMPED 0
/scoreboard objectives add JUMPED dummy
/clear @p iron_sword 0 0
/effect @p jump_boost 1 1 true
/execute at @p if block ~ ~-1 ~ air run difficulty easy
/execute at @e[type=player,scores={JUMPED=1}] run fill ~5 ~5 ~5 ~-5 ~-5 ~-5 air 0 replace barrier
/execute at @e[type=player,scores={JUMPED=0}] run fill ~1 ~-1 ~1 ~-1 ~-1 ~-1 barrier 0 keep
/scoreboard players set @p JUMPED 1
/scoreboard players set @p JUMPED 0