Varolou

const hasPairSum = (nums, desiredValue) => {
    if(nums.length < 2) {
      return false;
    }
    const [firstNum, ...tailNums] = nums;
    const hasDesiredValue = tailNums.some((num) => firstNum + num === desiredValue);
    return hasDesiredValue || hasPairSum(tailNums, desiredValue);
  };

const func = (arr, k) => arr.some(a =>
  arr.some(b => a + b === k)
);

console.log(func([11,25,34,46,5],59));