KnockoutJS calling methods with context in bindings
<div data-bind="foreach: someData1">
    <a href="#" data-bind="click: myFunction"></a>
</div>

<div data-bind="foreach: someData2">
    <a href="#" data-bind="click: myFunction"></a>
</div>

viewModel.myFunction = function (item, event) {
  // event.target = <a>
};