JSFiddle - React, Tailwind, and code Playground
by Superman
HTML
<body>
<a id="hideshowone">Hide</a>
<div id="hideshowotherone" style="padding:20px; margin:20px; border:2px solid black; width:400px; color:green;" >However, as a practical matter, you will be somewhat more limited if you want your documents to work with a variety of browsers, CSS editors, and JavaScript frameworks.
As noted in other responses, jQuery has problems with ids that contain periods and colons.</div>
</body>
JavaScript
$(document).ready(function(){
$('#hideshowone').click(function(){
$('#hideshowotherone').toggle();
if($(this).text() == "Hide"){
$('#hideshowone').text('Show');
}else
$('#hideshowone').text('Hide');
});
});