let pageLocation = "meet"; let backButton = document.getElementById("back"); let nextButton = document.getElementById("next"); function next() { if (pageLocation === "meet") { document.location = "#vegetable-dash"; pageLocation = "vegetable-dash"; } else if (pageLocation === "vegetable-dash") { document.location = "#coming-soon"; pageLocation = "coming-soon"; } buttonVisiblility(); } function last() { if (pageLocation === "vegetable-dash") { document.location = "#meet"; pageLocation = "meet"; } else if (pageLocation === "coming-soon") { document.location = "#vegetable-dash"; pageLocation = "vegetable-dash"; } buttonVisiblility(); } function buttonVisiblility() { if (pageLocation != "meet") { backButton.style.opacity = "1"; } else { backButton.style.opacity = "0"; } if (pageLocation != "coming-soon") { nextButton.style.opacity = "1"; } else { nextButton.style.opacity = "0"; } }