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JavaScript

Peter Vanderlind de Oliveira
Peter Vanderlind de Oliveira
7,376 Points
Posted by Peter Vanderlind de Oliveira
Peter Vanderlind de Oliveira
7,376 Points

Can I have variables inside of a variable in JavaScript?

I'm trying to understand the following:

const input = document.querySelector("form input"), counter = document.querySelector("form .counter"), maxLength = input.getAttribute("maxlength");

I don't understand what the commas are for and I would like to know if counter and maxLength are variables inside input.

1 Answer

Steven Parker
Steven Parker
231,007 Points
Steven Parker
Steven Parker
231,007 Points

Those are separate assignments of variables, and none are "inside" any other. The commas just allow the declarations to share the same "const" keyword, but for clarity each assignment could be on a separate line (perhaps that's what you intended but forgot to use formatting.

For future postings, use Markdown formatting to preserve the code's appearance and retain special symbols.