Can you show me some JavaScript collection examples?
Sure! JavaScript has several built-in collection types like Arrays, Sets, and Maps. Would you like examples of all three?
Yes, please provide examples for each.
Alright! For Arrays, you can create one like this: let fruits = ['apple', 'banana', 'cherry'];
. For Sets: let uniqueNumbers = new Set([1, 2, 2, 3]);
and for Maps: let userMap = new Map([['name', 'Alice'], ['age', 25]]);
.
What are the main differences between these collections?
Great question! Arrays are ordered and can contain duplicates, Sets are unordered and only store unique values, while Maps store key-value pairs and maintain the order of insertion.
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