Created
December 17, 2013 00:21
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create arr, add an attribute with dot notation. wat?
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| > var arr = [] | |
| undefined | |
| > arr | |
| [] | |
| > arr.keyName = true | |
| true | |
| > arr | |
| [ keyName: true ] | |
| > arr[0] | |
| undefined | |
| > arr.keyName | |
| true | |
| > |
Arrays are just special Object/Hash's. typeof arr holds the truth.
@jden I understand why it works... I was just having trouble understanding a use case.
I use it, eg, for paged collections. JavaScript collections, especially <ES6, are fairly assumption-rich and feature-poor compared to other languages, imo.
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which line in particular is confusing or unexpected?