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A comment on Classes are Expressions.

Re:Classes are Expressions by emehrkay on Thursday June 04, 2015 @02:41PM (#9661223)
This is cool, could this behavior be mimicked by doing:

    var name = 'name_' + Math.random() ; //assumed uniqueness
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Re:Classes are Expressions by braythwayt on Thursday June 04, 2015 @02:44PM (#9661237)
Yes, but you'll also want to use Object.defineProperty to ensure that the property is not enumerable.

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

Symbol tosses that in "for free."

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