Escape new lines with JS

Question

I have a string that looks something like this:

\"Line 1\\nLine 2\"

When I call length on it, though, it\'s one character short:

Answer 1

In JavaScript, a backslash in a string literal is the start of an escape code, for instance backslash n for a newline. But what if you want an actual backslash in the resulting string? One of the escape codes is backslash backslash, for an actual backslash.