JSFiddle - React, Tailwind, and code Playground
JavaScript
YUI().use('node', function(Y) {
var el1 = Y.one("body").appendChild("<b>SampleEl</b>");
YUI().use('node-event-simulate', function(Y) {
el1.on("click", function(e){alert("clicked alt="+e.altKey); })
el1.simulate("click", {altKey: true});
});
});