After prompting the user to enter a number, just check it's not a negative with an if statement:
if(userNumber >=0)
{ //do your stuff here}
Pergunta
Question, how do I make it so when an user-inputted number is negative, it isn't added to the total variable that will be ouput?
Code below!
function lab10logicInLoopsPart1()
{
lCounter = 1;
var total = 0;
userNumber = 0;
while(lCounter < 6) {
lCounter++;
userNumber = prompt("Enter a number.");
total += +userNumber;
document.write("Entered number was: " + userNumber + "\n");
}
document.write("\nTotal: " + total);
}
Solução
After prompting the user to enter a number, just check it's not a negative with an if statement:
if(userNumber >=0)
{ //do your stuff here}