html/javascript all together in one page

3. Create a page that converts a range of temperatures from Celsius to Fahrenheit. Ask for the starting and ending temperatures (you'll have to ask the user if the temperatures are F or C) along with the increment to be used. Make sure all of the data are valid, i.e. the ending temperature is greater than the starting temperature and the increment is a positive value that is sensible. If the user enters anything invalid, tell the user what the problem is and ask again until it is entered properly. Once all the data is valid, generate a table that shows each temperature value across the range in both degrees F and degrees C. Each set of temperatures should take one row in the table. The length of the table will depend on the number of values the user chooses to display.