How to take out a default animation?

Hello, i am making a game where these key shortcuts use animations, but they get interupted by the default idle animation, i tried, i cant do it, i want to take it out so it doesnt inturrupt my animations like it sometimes does. Actually, i have tried when the key is pressed then it takes out the animate sccript in character and puts back in after animstion finished, but it SOMEHOW STILL DID THE IDLE THING WHERE ARMS MOVE FORWARD A LITTLE AND BACK! Please help! thanks :) Iv tried

can = true

script.Parent.Parent.Chatted:Connect(function(msg)
	if msg == "KAMEHAMEHA" then
if can == true then
	can = false
		script.Parent.Parent.Character.Humanoid.WalkSpeed = 0
		script.Parent.Parent.Character.Humanoid.JumpPower = 0
		local k = Instance.new("Animation")
k.AnimationId = "rbxassetid://2863412692"
wait()
		script.Parent.Parent.Character.Humanoid:LoadAnimation(k):Play()
		wait(5)--the time of animation
script.Parent.Parent.Character.Humanoid.WalkSpeed = 16
script.Parent.Parent.Character.Humanoid.JumpPower = 50
wait(10)
can = true
	end
	end
end)

So this all works, its just that sometimes when the animation plays, then the idle animation with slightly moving arms interups! halp plesss!

Hello, so as Tizzel40 said about the script, that stops tracks playing, as you said sir, they stop the current ones and that DOES happen. So think, is you dont want it, can oyu make a script that detects a track starting to play? just do it with the specific track, or if not, constantly stop all tracks until all of what your script does is over :) hope this helps!

Detect

repeat wait() until
animation.Playing maybe if that exists do
local humanoid = --- put you humanoid Here!

for I,AnimTrack in pairs(humanoid:GetPlayingAnimationTracks()) do---get all the playing animation tracks!


AnimTrack:Stop()

end

constant stop

if bla bla
if sbsf bla
then do this
humanoid = script.Parent.Humanoid

for I,AnimTrack in pairs(humanoid:GetPlayingAnimationTracks()) do---get all the playing animation tracks!


AnimTrack:Stop()

end
other animation
local humanoid = --- put you humanoid Here!

for I,AnimTrack in pairs(humanoid:GetPlayingAnimationTracks()) do---get all the playing animation tracks!


AnimTrack:Stop()

end

or set an actual number variable and make it true when script starts and make other script that detects when its true and constantly stops tracks, easy to do:

while (value)== true do
local humanoid = --- put you humanoid Here!

for I,AnimTrack in pairs(humanoid:GetPlayingAnimationTracks()) do---get all the playing animation tracks!


AnimTrack:Stop()

end
	end