var arr = 

[

  {

    taskTypeGroupId: "EXP.CONT", taskTypeGroupName: "Contradictoire", 

    taskType: 

    {

      taskTypeId: "DGE-EXPCONT", taskTypeName: "Dégats des eaux contradictoire", defaultDuration: 60, isInProject: false, 

      dataItems:

      {

        id: "EXTRAFILLER5", label: "Divers 5"

      }

    }

  },

  {

  takTypeGroupId: "EXPQUAL", taskTypeGroupName: "Contrôle qualité", 

    taskType: 

    {

      taskTypeId: "DGE-EXPQUAL", taskTypeName: "Contrôle qualité dégats des eaux", defaultDuration: 60, isInProject: false, 

      dataItems: 

      {

        id: "EXTRAFILLER5", label: "Divers 5"

      }

    }

  }

];

​

​

function filterByProperty(array, prop, value){

    var filtered = [];

    for(var i = 0; i < array.length; i++){

    var array1 = array[i];

      for(var key in array1){

        if(typeof(array1[key] == "object")){

        var array2 = array1[key];

          for (var key2 in array2){

            if(typeof(array2[key2] == "object")){

            var array3 = array2[key2];

              if(array3[prop] == value){

                filtered.push(array3);

              }

            }

          }

        }

      }

    }    

    return filtered;

​

}

​

function filterArrays(array,prop){

    var filtered = [];

    var taskId=[];

    for(var i = 0; i < array.length; i++){

    var array1 = array[i];

      for(var key in array1){

        if(typeof(array1[key] == "object")){

        var array2 = array1[key];

              if(typeof array2[prop] != "undefined"){

                //filtered.push(array2);

                console.log(array2.taskTypeId + " " + array2.dataItems.id);

                //taskId.push(array2[prop]);

                //dataId= array2.dataItems.id

                return taskId;

              }

         }

       }

     }    

    /*for(var index in filtered) {

      console.log( index + " : " + filtered[index] + "");

    }*/

}

​

//var byArrays3 = filterByProperty(arr, "id", "EXTRAFILLER5");

var byArrays2 = filterArrays(arr,"taskTypeId");

​

console.log(byArrays2);

​

// function checkExist(object){

//   if (typeof object.label != "undefined") {

//    alert("GOT THERE");

//   }

//   else{

//     alert("Shit");

//   }

// }

​

//console.log(byArrays3)

//console.log(Array.from(byArrays3))

//console.log(Array.from(byArrays2))

​

//console.log(checkExist(byArrays3))

​