JSFiddle - React, Tailwind, and code Playground
by jcubed111
HTML
<div id='top'>
<span id='width'></span> <span id='height'></span>
</div>
<div id='bottom'>
<span id='width'></span> <span id='height'></span>
</div>
<br>1
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CSS
</style>
<meta content='True' name='HandheldFriendly' />
<meta content='width=device-width, initial-scale=1.0, maximum-scale=2.0, minimum-scale=1.0, user-scalable=1' name='viewport' />
<style>
#top{
position:fixed;
top:0;
left:0;
right:0;
height:50px;
background:#000;
color:#fff;
}
#bottom{
position:fixed;
bottom:0;
left:0;
right:0;
height:50px;
background:#000;
color:#fff;
}
JavaScript
function update(){
document.getElementById('width').innerHTML = window.innerWidth;
document.getElementById('height').innerHTML = window.innerHeight;
}
setInterval(update, 100);