Untitled

KnockoutJS remove item from observable array. Item is listitem within ul, which was generated by foreach
<ul data-bind="foreach: expertise">
    <li data-bind="text: Key, click: $parent.removeExpertise"></li>
</ul>

<script type="text/javascript">
    $(function () {
        function AppViewModel() {

            this.removeExpertise = function (expertise) {
                this.expertise.remove(expertise);

            };

            this.expertise = ko.observable([
                { Key: 'Charles', Value: 'Charlesforth' },
                { Key: 'Denise', Value: 'Dentiste' }
            ]);
        }

        // Activates knockout.js
        jQuery(document).ready(function () {
            ko.applyBindings(new AppViewModel());
        });
    });
</script>

this.removeExpertise = function (expertise) {
    this.expertise.remove(expertise);
}.bind(this);