Fast script press x

local walkspeedplayer = game:GetService("Players").LocalPlayer
    local walkspeedmouse = walkspeedplayer:GetMouse()

    local walkspeedenabled = false

    function x_walkspeed(key)
        if (key == "x") then
            if walkspeedenabled == false then
                _G.WS = 1000;
                local Humanoid = game:GetService("Players").LocalPlayer.Character.Humanoid;
                Humanoid:GetPropertyChangedSignal("WalkSpeed"):Connect(function()
                Humanoid.WalkSpeed = _G.WS;
                end)
                Humanoid.WalkSpeed = _G.WS;

                walkspeedenabled = true
            elseif walkspeedenabled == true then
                _G.WS = 30;
                local Humanoid = game:GetService("Players").LocalPlayer.Character.Humanoid;
                Humanoid:GetPropertyChangedSignal("WalkSpeed"):Connect(function()
                Humanoid.WalkSpeed = _G.WS;
                end)
                Humanoid.WalkSpeed = _G.WS;

                walkspeedenabled = false
            end
        end
    end

    walkspeedmouse.KeyDown:connect(x_walkspeed)