JSFiddle - React, Tailwind, and code Playground

by Mariya_Korotkova

JavaScript

function sum(nums, k) {  
    let res;
   // ваш код здесь  
      for (i = 0; i < nums.length-1; i++) {
        if(nums[i] + nums[i+1] === k) {
          res = true;
          if(res===true) {
            break;
          }
          } else {
            res = false;
        }
      }
   console.log(res);
   return res;
}

sum([1,8,3,9,4], 11);