javascript/calculatorAlert.html at main · Code-With-Khushiii/javascript · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Calculator</title>
    <link rel="stylesheet" href="calculatorAlert.css">
</head>
<body >
    <h1>Calculator</h1>
    <button onclick="addition()">addition</button>
    <button onclick="subtraction()">subtraction</button>
    <button onclick="multiply()">multiply</button>
    <button onclick="divide()">divide</button>
    <script>
        function digits(){
        var num1 = prompt("your 1st no.")
        var num2 = prompt("your 2st no.")
        return[Number(num1),Number(num2)]
        }
        function addition(){
           let[num1,num2] = digits();
           let add  = Number(num1) + Number(num2);
           alert("your addition is..."+add);

        }
        function subtraction(){
            let[num1,num2] = digits();
            let sub = Number(num1) - Number(num2);
            alert("your substraction is...."+ sub);
        }
        function multiply(){
            let[num1,num2] = digits();
            let mul = Number(num1) * Number(num2);
            alert("your multiplication is...."+mul);
        }
        function divide(){
            let[num1,num2] = digits();
            if(num2 === 0){
                alert("not allowed")
            }
            else{
            let divi = Number(num1) / Number(num2);
            alert("your divide is ....."+divi);
            }
        }

    </script>
</body>
</html>