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$ curl repovive.com/roadmaps/javascript/loops/loop-pattern-filtering

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$ curl repovive.com/roadmaps/javascript/loops/loop-pattern-filtering

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Loop Pattern - Filtering - Loops | JavaScript | Repovive

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JavaScript22 sections · 783 units18h total

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Loop Pattern - Filtering

Collecting matches

Collect items that match a condition:

let numbers = [1, 2, 3, 4, 5, 6]
let evens = []

for (let num of numbers) {
  if (num % 2 === 0) {
    evens.push(num)
  }
}

console.log(evens)  // [2, 4, 6]

Start with an empty array. Push items that match your criteria. Later you'll learn array methods like filter() that do this more concisely.