GleefulWorseArgument created by hillal20 - https://repl.it/@hillal20/GleefulWorseArgument

smuABSdiffINarray.js

     

const arr = [6,2,4,10]

const bill = (arr)=>{

  let newArr = [];
  let diff = Math.pow(10,20)
   for(let i = 0; i < arr.length; i ++){
      for( let j = i+1; j < arr.length + 1 ; j ++){
            if(Math.abs(arr[i] - arr[j]) <= diff ){
              diff = Math.abs(arr[i] - arr [j]);
              newArr.push({diff:diff, pair:[arr[i],arr[j]]})
            }
            
      }
   }
   //console.log(newArr)
   let newArr2 = newArr.filter(e => {  return e.diff === diff})
   //console.log(newArr2);
   let newArr3 = [];
   newArr2.map(e =>{
     newArr3.push(e.pair)
   })
   //console.log(newArr3)
       newArr3.map( e =>{
         if(e[0]>e[1]){
           [e[0],e[1]] = [e[1],e[0]]
         }
       })
       //console.log(newArr3);
       newArr3.sort((a,b)=>{
         return a[0] > b[0]
       })
       //console.log(newArr3)
       newArr3.forEach(e =>{
         console.log(`${e[0]} ${e[1]}\n`)
       })
    //return newArr3
   }
bill(arr);























// let string = "alfo"

// let arr = string.split('');
// console.log(arr);



// const pro = (arr)=>{
// const result = [];
// let  combination;
  
//  const  helper = (str,newArr)=>{
   
//    for(let i = 0  ; i < newArr.length; i++){
//        combination = str + newArr[i]
//        result.push(combination)
//        helper(combination, newArr.slice(i+1));
//        }
   
//  }

// helper('',arr);
//   return result;

// }

// console.log(pro(arr));