Used for tasks involving counting or calculating sums
Whole numbers (integers) or decimals (floats)
Numbers can be negative or positive
Numbers do not have quotes around them
There are no commas used when expressing numbers, for example the number 1,750 is expressed as 1750 in Javascript
Sometimes you will find yourself in a position where you need to convert a string to a number
This happens when you attempt to read numeric values from html (html displays everything as a string)
Use the parseInt() or parseFloat() methods to accomplish this