Home Screen Calculator
Quick and easy calculations right on your home screen.
Add
Subtract
Multiply
Divide
Result: 0
function performCalculation() {
const number1 = parseFloat(document.getElementById(“number1”).value);
const number2 = parseFloat(document.getElementById(“number2”).value);
const operation = document.getElementById(“operation”).value;
let result;
if (isNaN(number1) || isNaN(number2)) {
alert(“Please enter valid numbers.”);
return;
}
switch (operation) {
case “add”:
result = number1 + number2;
break;
case “subtract”:
result = number1 – number2;
break;
case “multiply”:
result = number1 * number2;
break;
case “divide”:
if (number2 === 0) {
alert(“Cannot divide by zero.”);
return;
}
result = number1 / number2;
break;
}
document.getElementById(“calculationResult”).textContent = result;
}
