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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>This note is password protected