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7,365 PointsThe 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
Leslie Heinzen
26,662 PointsIn JavaScript, you can start variables with $ or _ (dollar sign and underscore), so they are valid choices.
Frederick Carle
7,054 PointsVariable names starting with $ or _ are valid in JavaScript. JQuery is an example of a JavaScript library that makes use of the $.
Daniel Bettech
7,365 PointsThanks for your comments! Noted.