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Understanding Symbols in JavaScript: A Guide to Unique and Powerful Object Keys

✨ Satish Kumar
JavaScript in Plain English
4 min readNov 22, 2024

Creating a Symbol

const sym1 = Symbol();
const sym2 = Symbol("desc");
const sym3 = Symbol("desc");

Key Features of Symbols

const sym1 = Symbol("desc");
const sym2 = Symbol("desc");

console.log(sym1 === sym2); // false

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Published in JavaScript in Plain English

New JavaScript and Web Development content every day. Follow to join our 3.5M+ monthly readers.

Written by ✨ Satish Kumar

AVP Engineering - frontend Apps at fleetx.io Ex-Aviso Inc. NITian 🎓

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