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Answer to Question #59880 in AJAX | JavaScript | HTML | PHP for oldmil
Question #59880
Write a program that asks a user to enters pairs of numbers until they enter "quit". As each pair of numbers is entered and validated, add the numbers using a function. The function will have two parameters for the pair of numbers and will return the sum. After the user enters "quit", output all the pairs of numbers and their sums.
Expert's answer
// creating variables and array
var num1 = 0, num2 = 0, arrNum = [1];
// functiond that add 2 numbers
function sum(num1, num2)
{
var sum = 0;
sum = Number(num1) + Number(num2);
return sum;
}
//function that check var number for quit
function checkExit(num)
{
if(num == 'quit')
{
return true;
}
else
return false;
}
function printArr(arrNum)
{
document.write("Entries Sum");
document.write("<br><br>");
for (var i = 1; i < arrNum.length; i+=3)
{
document.write(arrNum[i] + ' ' + arrNum[i+1] + ' ' + arrNum[i+2]);
document.write("<br><br>");
}
}
while(true)
{
//enteting num1 and num2
num1 = prompt('Enter 1 number of pair', 0);
//checking for quit
if(checkExit(num1) == true)
break;
//adding nums to array for output in the end
arrNum.push(num1);
num2 = prompt('Enter 2 number of pair', 0);
if(checkExit(num2) == true)
break;
arrNum.push(num2);
//calculating and adding sum to array
arrNum.push(sum(num1, num2));
}
//printing numbers and sums
printArr(arrNum);
index.html
<!DOCTYPE html>
<html>
<head>
<title>Finding sum</title>
<meta charset="UTF-8">
<script src="program.js" type="text/javascript"></script>
</head>
<body>
</body>
</html>
var num1 = 0, num2 = 0, arrNum = [1];
// functiond that add 2 numbers
function sum(num1, num2)
{
var sum = 0;
sum = Number(num1) + Number(num2);
return sum;
}
//function that check var number for quit
function checkExit(num)
{
if(num == 'quit')
{
return true;
}
else
return false;
}
function printArr(arrNum)
{
document.write("Entries Sum");
document.write("<br><br>");
for (var i = 1; i < arrNum.length; i+=3)
{
document.write(arrNum[i] + ' ' + arrNum[i+1] + ' ' + arrNum[i+2]);
document.write("<br><br>");
}
}
while(true)
{
//enteting num1 and num2
num1 = prompt('Enter 1 number of pair', 0);
//checking for quit
if(checkExit(num1) == true)
break;
//adding nums to array for output in the end
arrNum.push(num1);
num2 = prompt('Enter 2 number of pair', 0);
if(checkExit(num2) == true)
break;
arrNum.push(num2);
//calculating and adding sum to array
arrNum.push(sum(num1, num2));
}
//printing numbers and sums
printArr(arrNum);
index.html
<!DOCTYPE html>
<html>
<head>
<title>Finding sum</title>
<meta charset="UTF-8">
<script src="program.js" type="text/javascript"></script>
</head>
<body>
</body>
</html>
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#340153 on Dec 2023
#340153 on Dec 2023
Comments
Dear customer, Please submit it with all requirements as an assignment to our control panel and we'll assist you.
Can this be done without the array? I can send the file if need be
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