JSFiddle - React, Tailwind, and code Playground

HTML

<div data-bind="click: $data.f('hello parameter'), clickBubble: false">Click me once</div>
<div data-bind="click: function(){ f('no no parameter'); }">Click me twice</div>

JavaScript

var VM = function () {
    this.f = function (param) {
        console.log(param);
    }
}

ko.applyBindings(new VM());