An Introduction to Symbols in JavaScript - Mastering JS
https://masteringjs.io/tutorials/fundamentals/symbol
WEBJun 19, 2020. Symbols are a primitive data type in JavaScript, like number, boolean, or null. They're often used to avoid property name conflicts, or to simulate private values on JavaScript objects. You can create a symbol by calling the global function Symbol(): const sym = Symbol();
DA: 45 PA: 76 MOZ Rank: 33