Goal: In the Variables lesson, we learned:

• Variables, in JavaScript, are written in lower camelcase
• Variables are set using the var keyword
• Variables can be used in arithmetic

Practice creating and utilizing variables by completing the exercises listed below. Variables are a fundamental building block of programming; so begin getting comfortable with them now!

Warm Up

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• When are let and const used? What do they mean - and how are they different from var?
• How can we use a variable after we've defined it?

Code

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Variables Practice

Here are a few exercises for you to practice using variables:

• Set a variable called someName equal to your name. Put your name in quotation marks.
• Display the value of someName in the console.
• Change the value of someName.
• Set a variable called favoriteNumber equal to your favorite number.
• Calculate what your favorite number divided by 2 is.
• Set another variable called michaelsFavorite equal to 13.
• Change the value of michaelsFavorite to 7.
• Subtract your favorite number from mine.
• Change the value of my favorite number to be 26 times its current value.