JSFiddle - React, Tailwind, and code Playground
HTML
<input></input>
JavaScript
var element = document.getElementsByTagName('input')[0];
element.value = 'teste';
element.addEventListener("keydown", function(event){
console.log('keydown');
})
var ke = new KeyboardEvent('keydown', {
bubbles: true, cancelable: true, keyCode: 13
});
element.dispatchEvent(ke);