"Any JSON text is a valid JavaScript expression, but only after the JSON superset revision. Before the revision, U+2028 LINE SEPARATOR and U+2029 PARAGRAPH SEPARATOR are allowed in string literals and property keys in JSON; but the same use in JavaScript string literals is a SyntaxError."

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...

"In fact, since JavaScript does not support bare objects, the simple statement {"k":"v"} will emit an error in JavaScript"

https://medium.com/@ExplosionPills/json-is-not-javascript-5d...