ES6 Symbol All In One

ES6 Symbol All In One

Symbol;
//ƒ Symbol() { [native code] }

Symbol.toStringTag;
Symbol(Symbol.toStringTag)

Symbol.iterator;
Symbol(Symbol.iterator)

demo

let sb = new Symbol('sb');
// Uncaught TypeError: Symbol is not a constructor

sb = Symbol('sb');
// Symbol(sb)

sb;
// Symbol(sb)


sb.iterator;
// undefined

sb.toStringTag;
// undefined

refs

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol

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