JSFiddle - React, Tailwind, and code Playground
HTML
<form>
Password<br>
<input id="psw" type="password" name="password" size="45" autofocus></input><br><br>
<input type="submit" value="Submit" onclick="message();"></input>
</form>
<p id="display"></p>
JavaScript
function message () {
if (document.getElementById("psw") = "thePassword") {
document.getElementById("display").innerHTML = "Logged in";
} else {
document.getElementById("display").innerHTML = "Try again!";
}}