<!DOCTYPE html>
<html>
<body>
<script>
//
// Write a function that calculates the amount of money a person would earn over
// a period of years if his or her salary is one penny the first day, two pennies
// the second day, and continues to double each day. The program should ask the
// user for the number of years and call the function which will return the total
// money earned in dollars and cents, not pennies. Assume there are 365 days
// in a year.
//
function totalEarned(years) {
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// Insert your code between here and the next comment block. Do not alter //
// any code in any other part of this file. //
/////////////////////////////////////////////////////////////////////////////////
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// Insert your code between here and the previous comment block. Do not alter //
// any code in any other part of this file. //
/////////////////////////////////////////////////////////////////////////////////
}
var years = parseInt(prompt(‘How many years will you work for pennies a day? ‘));
var totalDollarsEarned = totalEarned(years);
alert(‘Over a total of ‘ + years + ‘, you will have earned $’ + totalDollarsEarned);
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<body>
<script>
//
// Assuming the ocean’s level is currently rising at about 1.6 millimeters per
// year. Write a function that is passed a number of years and then uses a loop
// that calls the alert() function to display the total rise in ocean level for each.
//
// For example, if looking at the ocean level rise over 5 years the program would
// display the following five alert with the values (don’t worry about rounding and
// formatting the output to look nice):
//
// Year 1 – 1.6 millimeters
// Year 2 – 3.2 millimeters
// Year 3 – 4.8 millimeters
// Year 4 – 6.4 millimeters
// Year 5 – 8.0 millimeters
//
// When the loop ends the function will return the number of millimeters the ocean
// has risen during this period. In this exampe,
//
function oceanRise(numberOfYears) {
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// Insert your code between here and the next comment block. Do not alter //
// any code in any other part of this file. //
/////////////////////////////////////////////////////////////////////////////////
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// Insert your code between here and the previous comment block. Do not alter //
// any code in any other part of this file. //
/////////////////////////////////////////////////////////////////////////////////
}
var numberOfYears = prompt(‘Over how many years would you like to display the rising in ocean levels? ‘);
alert(‘In the next ‘ + numberOfYears + ‘ years, the ocean will have risen ‘ + oceanRise(numberOfYears) + ‘ millimeters’);
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<body>
<script>
//
// The following program will prompt the user for a starting number and an
// ending number. Assume that these are whole numbers (no decimal points),
// assume the numbers are not negative and assume that the first number is
// not larger than the second number.
//
// write a funcTion that returns the sum of the numbers from the starting
// number to the ending number. For example, if the starting number is 13
// and the ending number is 18 then the function will return the value of
// 13 + 14 + 15 + 16 + 17 + 18. If the starting number is equal to the ending
// number then simply return that number.
//
//////////////////////////////////////////////////////////////////////////
function sumOfNumbers(startingNumber, endingNumber) {
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// Insert your code between here and the next comment block. Do not alter //
// any code in any other part of this file. //
/////////////////////////////////////////////////////////////////////////////////
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// Insert your code between here and the previous comment block. Do not alter //
// any code in any other part of this file. //
/////////////////////////////////////////////////////////////////////////////////
}
var startingNumber = parseInt(prompt(‘What is the starting number? ‘));
var endingNumber = parseInt(prompt(‘What is the ending number? ‘));
var sumOfNumbersPassed = sumOfNumbers(startingNumber, endingNumber);
alert(‘The sum of the numbers from ‘ + startingNumber + ‘ to ‘ + endingNumber + ‘ is ‘ + sumOfNumbersPassed);
</script>
</body>
</html>
