Big Display Calculator
0
let displayValue = “0”;
document.querySelectorAll(“.btn”).forEach(button => {
button.addEventListener(“click”, () => {
if (button.innerText === “C”) {
displayValue = “0”;
} else {
if (displayValue === “0”) {
displayValue = button.innerText;
} else {
displayValue += button.innerText;
}
}
document.querySelector(“.display”).innerText = displayValue;
});
});
function calculate() {
try {
displayValue = eval(displayValue).toString();
} catch (e) {
displayValue = “Error”;
}
document.querySelector(“.display”).innerText = displayValue;
}
