extension: task 5

a) Create a new js sketch, naming it t05_math_ext.js

b) Create a program that does the following:

• • Define two numeric variables:

    • • num1 which is initialised with the number 1

      • num2 which is initialised with the number 2.

  • Define two string variables:

    • • string1 which is initialised with the string "1"

      • string2 which is initialised with the string "2"

  • Display the result of adding num1 and num2

  • Display the result of adding string1 and string2

What do you notice about the answers you get?

Is it what you were expecting?

c) Now alter your program to ask the user for two numbers and add them together.

E.G.

• • • Enter one number

    • Enter another number

    • Add two numbers together and display the answer