document.getElementById(“calculate-btn”).addEventListener(“click”, function() {
let equation = document.getElementById(“input-field”).value;
try {
let result = eval(equation);
document.getElementById(“calculation-result”).textContent = result;
} catch (e) {
document.getElementById(“calculation-result”).textContent = “Invalid equation!”;
}
});
.calculator-container {
background-color: #f4f4f4;
padding: 20px;
border-radius: 10px;
max-width: 400px;
margin: 0 auto;
font-family: Arial, sans-serif;
}
.calculator-header h2 {
text-align: center;
font-size: 1.5em;
margin-bottom: 10px;
}
.calculator-header p {
text-align: center;
font-size: 1em;
color: #666;
}
#input-field {
width: 100%;
padding: 10px;
font-size: 1.2em;
margin-bottom: 10px;
border-radius: 5px;
border: 1px solid #ccc;
}
#calculate-btn {
width: 100%;
padding: 10px;
background-color: #007bff;
color: white;
border: none;
border-radius: 5px;
font-size: 1.2em;
cursor: pointer;
}
#calculate-btn:hover {
background-color: #0056b3;
}
#result {
margin-top: 20px;
font-size: 1.2em;
font-weight: bold;
}
