Knockout Binding - templateFromChild

gistfile1.js

ko.bindingHandlers.templateFromChild = {
    init: function (element, valueAccessor, allBindings) {
        var selector = ko.unwrap(valueAccessor()),
            tmpl;

        // selector can either be an #ID or the string 'first' which just needs to save the first child as the template
        if (selector === 'first') {
            tmpl = ko.virtualElements.firstChild(element);
        } else {
            tmpl = document.getElementById(selector);
        }

        // empty the container node
        ko.virtualElements.emptyNode(element);
        
        // re-append the template only
        element.appendChild(tmpl);
    }
};

ko.bindingHandlers.foreach.after = ['templateFromChild'];