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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