Web Programming with html5, css, and JavaScript

492
ChaptER 10
 
Loops, Additional Controls, Manipulating CSS with JavaScript

---

var product = 0;
while (count < 4) {
sum += count;
product *= count;
if (count == 4)
alert("Sum = " + sum);
alert("Product = " + product);
count++;
}
3. 
[after Section 10.5] Assume the following code is part of a working web page. What message 
will 
console.log
display?
var userTurn = true;
var userTurns = computerPoints = 0;
do {
if (userTurn) {
userTurns++;
}
else {
computerPoints++;
}
userTurn = !userTurn;
} while (userTurns < 2);
console.log("computer points: " + computerPoints);
4. 
[after Section 10.5] Suppose you have a variable named 
quantity
that holds a number. 
Provide an 
if
statement heading that checks to see whether 
quantity
holds a whole number.
5. 
[after Section 10.9] Given the following web page code that generates the factorial for a user-
entered number. Provide a standard 
for
loop that could be used to replace the 
while
loop.

Enter a whole number:
min="0" max="15" step="1" required>
onclick="generateFactorial(this.form);">