TextBox ROBLOX

local box = script.Parent

local function onFocus()
    box.BackgroundColor = Color3.new(255, 255, 255) -- We need a "on focus" function, and there is nothing to do when focused
end

local function onFocusLost(enterPressed, inputObject)
    if enterPressed then
        local guess = box.Text
        if guess == "roblox" then -- Change  this to whatever you want
            box.Text = "Correct!"
        else
            box.Text = "Wrong!"
        end
    else
        box.Text = ""
    end
end

box.Focused:Connect(onFocus)
box.FocusLost:Connect(onFocusLost)