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Comment by NhanH | Hacker News Reader

If JSON requires the string to be double-quoted, then it's more convenient to use singe quotes, since your embedded JSON string (if you ever used it) won't need to have its quotes escaped.

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Interesting. Is that common in your workflow to embed JSON as string literals in JavaScript? Never had to do that. I'd probably use ES6 backticks, so as to have multiline support and skip the need to escape both single and double quotes.

Right, why write

    '{ "foo": "bar" }'

when you could write

    JSON.stringify({ foo: "bar" })

and get a static guarantee of valid JSON?

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