What are symbols in JavaScript?
Symbols are a new primitive data type introduced in ES6. They are unique and immutable.
How do I create a symbol?
You can create a symbol using the Symbol()
function, like this: const mySymbol = Symbol('description');
.
What are some use cases for symbols?
Symbols are often used as unique property keys in objects to avoid name collisions.
Can symbols be converted to strings?
No, symbols cannot be converted to strings directly. You can use String(mySymbol)
to get a string representation, but it won't be the same as the original symbol.
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