freeCodeCamp Challenge Guide: Use the some Method to Check that Any Elements in an Array Meet a Criteria

Use the some Method to Check that Any Elements in an Array Meet a Criteria


Problem Explanation

Use the some method inside the checkPositive function to check if any element in arr is positive. The checkPositive function should return a Boolean value.

Relevant Links


Solutions

Solution 1 (Click to Show/Hide)
function checkPositive(arr) {
  return arr.some(elem => elem > 0);
}
checkPositive([1, 2, 3, -4, 5]);
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