How can I get unique values from an array in JavaScript?
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How can I get unique values from an array in JavaScript?
You can use the Set object to get unique values from an array. For example: const uniqueValues = [...new Set(array)];
What if I have an array of objects and want unique values based on a specific property?
You can use the filter method along with map. For example: const uniqueObjects = array.filter((obj, index, self) => index === self.findIndex((t) => t.property === obj.property));
Are there any libraries that can help with this?
Yes, libraries like Lodash provide utility functions such as _.uniqBy(array, 'property') to get unique objects based on a property.
Can you show me an example using Lodash?
Sure! Here's an example: const uniqueItems = _.uniqBy(array, 'id'); This will return an array of unique items based on the 'id' property.
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