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JavaScript Object-Oriented JavaScript: Challenge Building Constructor Methods and Generating Objects Token Properties Solution

Why token need to be unique?

Why token need to be unique?

Félix Guérin Camilo Lucero

1 Answer

Steven Parker
Steven Parker
230,248 Points

It's each token ID that needs to be unique. And that is because it is used to find a specific token in the collection. If two of them had the same ID the code would not be able to tell which one you were referring to.

Also, HTML rules say all element IDs on the same page must be different.