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Last Modified : 02-Dec-2023 04:59:11 GMT
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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>Document</title>
    <style>
        .Green{
            font-weight: bold;
            color: green;
            /* background-color: cadetblue; */
        }
    </style>
</head>
<body>
  
    <input type="number" id="in1">
    <input type="number" id="in2">
    <input type="text" id="in3">
    <button onclick="myFunc()">Click</button>
    <h1></h1>

    <script>
        
        function myFunc(){
            var result;
            let head = document.querySelector("h1")
            let a = document.querySelector("#in1").value
            // document.write(a);
            console.log(a);

            let b = document.querySelector("#in2").value
            // document.write(b);
            console.log(b);

            let c = document.querySelector("#in3").value
            // document.write(c);
            console.log(c);

            if(c == "+"){
                    result = a+b;
            }
            else if(c == "-"){
                     result= a-b;
            }
            else if(c == "*"){
                    result= a*b;
            }
            else if(c == "/"){
                    result= a/b;
            }
            else if(c == "%"){
                    result= a%b; 
            } 

            // document.write(result)
            // console.log(document.querySelector("h1"))

            
            // console.log(head)
            head.innerHTML = result;
            head.className="Green"
            console.log(head)


        }



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





















2////////////////////////////////////











<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script> 
   
//    var a=+prompt ("Enter the current year")
//    var b=+prompt ("Enter your age")

//    var sum= a-b;
//    var sub= a-b;
//    var mul= a*b;
//    var div= a/b;
//    var rem= a%b;

    // document.write("Your birthyear is =", sum ,"</br>")
    // document.write("sub is =", sub ,"</br>")
    // document.write("mul is =", mul ,"</br>")
    // document.write("div is =", div ,"</br>")
    // document.write("rem is =", rem ,"</br>")

//     var hour = 70

//     if (hour <10) {
//       console.log ("Good Day")
//     }
//     else if (hour <20){
//     console.log ("GoodDay1")
// }else if (hour <30){
//     console.log ("GoodDay2")
// }else if (hour <40){
//     console.log ("GoodDay3")
// }else if (hour <50){
//     console.log ("GoodDay4")}
//     else{
//         console.log ("Good nIght")
//     }

// var marks= prompt("Enter your marks")

// if (marks <30){
//     console.log("F Grade")
// }
// else if (marks<40){
//     console.log("D Grade")
// }
// else if (marks<60){
//     console.log("C Grade")
// } else if (marks<80){
//     console.log("B Grade")
// }else if (marks<90){
//     console.log("A Grade")
// }else if (marks<101){
//     console.log("A1 Grade")}

//     else {
//         document.write("Enter marks less than 100")
//     }

// var marks= prompt("enter your marks")

// if( marks <50){
//     console.log("F Grade")
// }
// else if (marks<70){
//     console.log("D grade")
// }else if (marks<80){
//     console.log("c grade")
// }else if (marks<90){
//     console.log("B grade")
// }else if (marks<101){
//     console.log("A grade")
// } else {
//     console.log("enter marks les than 100")
// }

// var a= prompt ("enter a number")

// var b= (a%2)

// if (b==0){
//     console.log("even number")
// }else{
//     console.log("odd number")
// }


// let amount= prompt("Enter amount to withdraw")
// let atmbalance = 10000;
// let a=(atmbalance-amount)

// if(amount<0){
//     console.log("Invalid Request.Enter amount in a positive number")
//     }
// else if(amount%500!==0) {
//     console.log("Invalid Request.Enter amount in multiples of 500")
// }


// else if(amount>atmbalance){
//     console.log("Transaction Denied.Insufficient Balance")
// }


// else{
    
//     console.log("Transaction Succesful.Please collect your amount=Rs.",amount +".Balance is=Rs.",a )
// }

// var age=+prompt ("enter ur age")
// var qualification =+prompt ("enter ur qualification")

// if (age>18 && qualification>10){
//     console.log("you are allowed")
// } else{
//     console.log("not allowed")
// }

// for (let i=1 ; i<=10 ; i++){
//     let x=(i*3);
// console.log("3x",x,"=");
// }

// let i=1;
// while (i<=5) {
//     console.log(i);
//     i++;
// }

// let i=1;
// do{
//     console.log(i);
//    i++;}while (i<=9)

</script> 

</body>
</html>
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