JSFiddle - React, Tailwind, and code Playground

by joycse06

JavaScript

var newIDs; // new IDs found from ajax

newIDs = [1,2]
markersArray = [{ID:1},{ID:8},{ID:2},{ID:4},{ID:6}]
var newMarkers = $.map(markersArray,function(obj,i){
   if(($.inArray(obj.ID,newIDs) == -1))
      return null;
   else
      return obj; 
});

console.log(newMarkers);