JSFiddle - React, Tailwind, and code Playground

by tlarson

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.1/knockout-debug.js"></script>
<select data-bind="value: selectedLanguage">
  <option value="en">English</option>
  <option value="sp">Spanish</option>
</select>

JavaScript

var vm = {
	selectedLanguage: ko.observable()
};
ko.applyBindings(vm);

vm.selectedLanguage.subscribe(function(newLanguageSelected) {
	alert(newLanguageSelected + " selected.  Now post to the server");
});