@v8js v7.4, Chrome 74, and Node.js v12 support both public and private class fields!
https://developers.google.com/web/updates/2018/12/class-fields …pic.twitter.com/6ee404KKnv
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It's not exactly a "Syntax error", not descriptive enough, e.g.: Java throws IllegalAccessException; C# throws FieldAccessException; PHP returns "Error: cannot access private property XYZ". Those languages tells us "hey bro, you're accessing a private property from outside".
The error message is implementation-dependent.
I guess he is saying that the exception isn't about syntax.
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