HTML webpage can detect mobile devices using JavaScript. Use JavaScript with regular expression tests to detect if a browser is a mobile device or not.
Example of JavaScript detect mobile device browser
Here’s a code that uses an insanely long and comprehensive regex that returns a true or false value depending on whether or not the user is browsing with a mobile.
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
const userAgent = navigator.userAgent.toLowerCase();
var isMobile = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)
if(isMobile){
alert("mobile device");
}else{
alert("not mobile device");
}
</script>
</head>
<body>
</body>
</html>Output:
Do comment if you have another better way or doubts or suggestion on this topic.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version