Unique (derived) tokens that are not equal to any other value. For example, symb... | Hacker News

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		pluma on Dec 29, 2014 \| parent \| context \| favorite \| on: Symbols in ECMAScript 6 Unique (derived) tokens that are not equal to any other value. For example, symbols let you implement a map data structure without having to worry about shadowing built-in properties of the object.

ksherlock on Dec 29, 2014 [–]

If you have Symbols, you also have Map and WeakMap which don't have that problem.

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