Allows Only Numbers to be Typed into a Text Box

Html

<input type="text" name="number" only-Numbers>

.directive('onlyDigits', function()
{
    return
    {
        require: 'ngModel',
        restrict: 'A',
        link: function(scope, element, attr, ctrl)
        {
            function inputValue(val)
            {
                if (val)
                {
                    var digits = val.replace(/[^0-9.]/g, '');
                    if (digits !== val)
                    {
                        ctrl.$setViewValue(digits);
                        ctrl.$render();
                    }
                    return parseFloat(digits);
                }
                return undefined;
            }
            ctrl.$parsers.push(inputValue);
        }
    };
});