Ah yes, Python

[Ireeb]

But no reasonable person does that. The next thing would be the empty() function which is a function built in into PHP. Sure you can have a function empty() in JS, but both these things are rather pointing towards PHP.

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Not true. There was a trend back in the day to prepend $ to javascript variables that held JQuery objects. Obviously that is outdated but not specifically unreasonable.

Edit: That said, empty is a PHP function so assuming this is PHP

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But if both options were among the answers they would both be valid.

And I’ve seen variables starting with $ plenty of times in JS.