Condense Array to Number

function condenseArrayToNumber(nums){

   while(nums.length > 1){
       let condensed = [nums.length-1];
       for(let i = 0;i < nums.length -1;i++){
           condensed[i] = Number(nums[i]) + Number(nums[i + 1]);
       }
       nums = condensed;
   }
   console.log(nums[0]);
}
solve([5,0,4,1,2]);