JSFiddle - React, Tailwind, and code Playground
by Malik Naik
HTML
<input id="submit-element" type="submit">
<input id="text-element" type="text">
JavaScript
document.getElementById("text-element").addEventListener("focus", changeSubmitF);
function changeSubmitF(){
document.getElementById("submit-element").style.backgroundColor = "#f4f4f4";
}
document.getElementById("text-element").addEventListener("blur", changeSubmitB);
function changeSubmitB(){
document.getElementById("submit-element").style.backgroundColor = "transparent";
}