Filtering Lists with Array.filter()

Snippet

Filtering Lists with Array.filter()

The filter method creates a new array with all elements that pass the test implemented by the provided function. In Next.js, this is often used to show only specific items in a list, like products within a price range.

snippet.js
javascript
function isExpensive(price) {
  return price > 100;
}
 
const prices = [50, 150, 200, 80];
const expensiveItems = prices.filter(isExpensive);

nextjs

Breakdown

prices.filter(isExpensive)

Calls the isExpensive function for every item and keeps only those where it returns true.

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Filtering Lists with Array.filter()

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