JSFiddle - React, Tailwind, and code Playground

HTML

<select data-bind="options: makes, value: selectedMake"></select>
<p>Selected make: <b data-bind="text:selectedMake"></b></p>

JavaScript

function ViewModel() {
    var self = this;
    self.makes = ["Honda", "Toyota"];
    self.selectedMake = ko.observable();    
    
}

ko.applyBindings(new ViewModel());