Preview:
<!DOCTYPE html>
<html>
<head>
    <title>Remove Duplicate Objects from Array Jquery Example - Tutsmake.com</title>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
</head>
<body>
   
<script type="text/javascript">
    
  var myArray = [
        { "id" : "1", "firstName" : "Michael", "lastName" : "stoddardd" }, 
        { "id" : "2", "firstName" : "Kate", "lastName" : "smith" }, 
        { "id" : "3", "firstName" : "john", "lastName" : "sam" }, 
        { "id" : "1", "firstName" : "Kate", "lastName" : "smith" }, 
        { "id" : "5", "firstName" : "Michael", "lastName" : "stoddardd" }
      ];
    
  function removeDumplicateValue(myArray){ 
      var newArray = [];
    
      $.each(myArray, function(key, value) {
        var exists = false;
        $.each(newArray, function(k, val2) {
          if(value.id == val2.id){ exists = true }; 
        });
        if(exists == false && value.id != "") { newArray.push(value); }
      });
   
      return newArray;
    }
    
    console.log(removeDumplicateValue(myArray));
</script>
    
</body>
</html>
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