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How is text hidden by code?

I was just wondering how do I know if am hide text in the code, if I'm not trying to do so. I know the two slashes "//" can comment out text. Is that what they mean by hiding text in code?

1 Answer

Steven Parker
Steven Parker
228,026 Points

I'm not 100% certain about what is said, but I don't think comments count, because they wouldn't be "text" if the comment symbols were omitted.

I expect this is talking about text that would normally be seen on the page, but is concealed by code that changes its visibility or display propertes, or perhaps opacity.