BASELINE NowYouCanUse.com
Widely Available Primitive types
id: symbol

Symbol

A Symbol value is a unique, non-enumerable primitive value used for encapsulation or information hiding. For example, a symbol can be a key of an object that can never collide with any other key.
Baseline Status: Achieved Widely Available on Mar 30, 2018 (Cross-browser Newly Available since Sep 30, 2015).
Desktop Browser Engine Support
Google Chrome
38
Supported
Mozilla Firefox
36
Supported
Apple Safari
9
Supported
Microsoft Edge
12
Supported
Mobile Browser Engine Support
Chrome Android
38
Firefox Android
36
Safari iOS
9
Specifications and References
Specification ↗ Feature XML ↗
MDN Browser Compat Data Keys:
javascript.builtins.Array.@@species ↗ javascript.builtins.Symbol ↗ javascript.builtins.Symbol.@@toPrimitive ↗ javascript.builtins.Symbol.Symbol ↗ javascript.builtins.Symbol.description ↗ javascript.builtins.Symbol.for ↗ javascript.builtins.Symbol.hasInstance ↗ javascript.builtins.Symbol.isConcatSpreadable ↗ javascript.builtins.Symbol.iterator ↗ javascript.builtins.Symbol.keyFor ↗ javascript.builtins.Symbol.match ↗ javascript.builtins.Symbol.matchAll ↗ javascript.builtins.Symbol.replace ↗ javascript.builtins.Symbol.search ↗ javascript.builtins.Symbol.species ↗ javascript.builtins.Symbol.split ↗ javascript.builtins.Symbol.toPrimitive ↗ javascript.builtins.Symbol.toString ↗ javascript.builtins.Symbol.toStringTag ↗ javascript.builtins.Symbol.toStringTag.dom_objects ↗ javascript.builtins.Symbol.valueOf ↗