Double Jump Script

----------------------------------------- Settings
local MaxJumps = 5
local JumpCooldown = 0
----------------------------------------- Settings

local UIS = game:GetService("UserInputService")
local Player = game.Players.LocalPlayer
local Char = Player.Character or Player.CharacterAdded:Wait()
local Humanoid = Char:WaitForChild("Humanoid")
local NumJumps = 0
local canjump = false

Humanoid.StateChanged:Connect(function(oldstate, newstate)
    if Enum.HumanoidStateType.Landed == newstate then
        NumJumps = 0
        canjump = false
    elseif Enum.HumanoidStateType.Freefall == newstate then
        wait(JumpCooldown)
        canjump = true
    elseif Enum.HumanoidStateType.Jumping == newstate then
        canjump = false
        NumJumps = NumJumps + 1
    end
end)

UIS.JumpRequest:Connect(function()
    if canjump and NumJumps < MaxJumps then
        Humanoid:ChangeState(Enum.HumanoidStateType.Jumping)
    end
end)