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JavaScript JavaScript Basics (Retired) Storing and Tracking Information with Variables Review Creating and Naming Variables

Daniel Bettech
Daniel Bettech
7,365 Points

The answer A start with a $, so is not valid. The answer B starts with a 2 wich is not valid.

The answer A start with a $, so is not valid. The answer B starts with a 2 wich is not valid.

3 Answers

In JavaScript, you can start variables with $ or _ (dollar sign and underscore), so they are valid choices.

Frederick Carle
Frederick Carle
7,054 Points

Variable names starting with $ or _ are valid in JavaScript. JQuery is an example of a JavaScript library that makes use of the $.

Daniel Bettech
Daniel Bettech
7,365 Points

Thanks for your comments! Noted.