JavaScript Brain Teasers: Exercise Your Mind/

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Discussion: Netherlands or Holland?

Discussion: Netherlands or Holland?

Execute the code to understand the output and gain insights into a fascinating JavaScript feature called the Symbol.

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Verifying the output

Now, it’s time to execute the code and observe the output.

Javascript (babel-node-es2024)
const country = {
    name: "Netherlands"
};
const name = Symbol("name");
country[name] = "Holland";
console.log(country["name"]);

JavaScript symbols

This puzzle is about a fascinating JavaScript feature called the Symbol. Symbols let us define hidden or private properties within objects. Since symbols are unique, they’re unlikely to cause conflicts with other properties. ...