FAQ: Variables - The Increment and Decrement Operator


#1

This community-built FAQ covers the “The Increment and Decrement Operator” exercise from the lesson "Variables ".

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This exercise can be found in the following Codecademy content:

Web Development

Introduction To JavaScript

FAQs on the exercise The Increment and Decrement Operator

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#2

Why would you write out new code to put the number up 1 or down 1.
Rather than simply change the number of the original variable?


#3

what if you don’t know the value because its user input? Or you have a counter on your website, then increasing the counter by one is easier when you have a visitor

or when you use a for loop?