jQuery addClass example

Change class name on click in jQuery

by wrxsti85

JavaScript

var objArray = [  
   {  
      "id":"30772",
      "posimage":"/b/l/blue-shirt_1_1.jpg",
      "position":"Position Front",
      "tech":"Screen Print"
   },
   {  
      "id":"30771",
      "posimage":"/b/l/blue-shirt_3.jpg",
      "position":"Position Front",
      "tech":"Screen Print"
   },
   {  
      "id":"30772",
      "posimage":"/b/l/blue-shirt_1_1.jpg",
      "position":"Position Front",
      "tech":"Embroidery"
   },
   {  
      "id":"30771",
      "posimage":"/b/l/blue-shirt_3.jpg",
      "position":"Position Front",
      "tech":"Embroidery"
   }
];

function checkForDuplicates(objArr)
{
    var idArray = objArr.map(function(o){ return o.id; }),
		duplicateIds = [],
		checkedIds = [];
	$.each(idArray, function(i, id){
		if (checkedIds.indexOf(id) > -1)
		{
			duplicateIds.push(id);
		}
		else
		{
			checkedIds.push(id);
		}
	});
	return duplicateIds;
}

$(function(){
	var dupes = checkForDuplicates(objArray);
	alert(dupes)
});