function getPostCounts(uint _postID)public view returns(PostCountsModel memory postCounts){
        return postCountOperations[_postID];
    }

for (let i = 5; i > 0; i--) {
          app.getPostCounts(i).then(_postCounts => {
            console.log('Iteration-->', i);
            console.log('Total Posts Counts', _postCounts);

          })

Iteration--> 5 Total Posts Counts (5) ["0", "0", "0", "0", Array(0), postID: "0", likes: "0", disLikes: "0", shares: "0", comments: Array(0)] Iteration--> 4 Total Posts Counts (5) ["0", "0", "0", "0", Array(0), postID: "0", likes: "0", disLikes: "0", shares: "0", comments: Array(0)] Iteration--> 3 Total Posts Counts (5) ["0", "0", "0", "0", Array(0), postID: "0", likes: "0", disLikes: "0", shares: "0", comments: Array(0)] Iteration--> 2 Total Posts Counts (5) ["0", "0", "0", "0", Array(0), postID: "0", likes: "0", disLikes: "0", shares: "0", comments: Array(0)] Iteration--> 1 Total Posts Counts (5) ["0", "0", "0", "0", Array(0), postID: "0", likes: "0", disLikes: "0", shares: "0", comments: Array(0)]