move element to front of array to back of array javascript code example

Example: javascript move array element to front

for(var i = 0; i<$scope.notes.length;i++){
	if($scope.notes[i].is_important){
    	var imortant_note = $scope.notes.splice(i,1);
    	$scope.notes.unshift(imortant_note[0]);//push to front
	}
}