var JsonObj = {_x000D_
"0": "1",_x000D_
"1": "2",_x000D_
"2": "3",_x000D_
"3": "4"_x000D_
};_x000D_
_x000D_
var array = [];_x000D_
for (var i in JsonObj) {_x000D_
if (JsonObj.hasOwnProperty(i) && !isNaN(+i)) {_x000D_
array[+i] = JsonObj[i];_x000D_
}_x000D_
}_x000D_
_x000D_
console.log(array)
_x000D_