<form name="clockform">
<input name="clock" size="12" maxlength="12" value="00:00:00">
</form>
$scope.clearFields = function() {
isStart = 1;
clearTimeout(clocktimer);
document.clockform.clock.value='00:00:00';
}
document.clockform.clock.value='00:00:00';
в ангуляр?