let arr=[2,8,31,4,6,5]; let newArr=[]; for(let i=0;i<arr.length; i++){ if(arr[i]%2!==0){ newArr.push(arr[i]) } } let arr1=[2,8,31,4,6,5]; let newa=arr1.filter((ele)=>{ return ele%2!==0 }) let arr2=[2,8,31,4,6,5]; for(let i=arr2.length-1;i>=0;i--){ if(arr2[i]%2===0){ console.log('ele',arr2[i]) arr2.splice(i,1) console.log('arraup',arr2) } } console.log('neeee',arr2) console.log(newa) console.log(newArr)