JSFiddle - React, Tailwind, and code Playground
by Kai_Draord
HTML
<input type="text" id="firstElementId">
<input type="text" id="secondElementId">
JavaScript
document.getElementById('firstElementId').onkeypress = function(){
var secondInputElement = document.getElementById('secondElementId');
if(this.value && this.value.length > 6) {
secondInputElement.focus();
}
}