Getting the User Agent with JavaScript

Question

I\'d like to get a script that can grab the user\'s user agent and prop it to an attribute.

I\'m making a website problems contact form and I usually need to know wh

Answer 1

Original Q didn't say anything about jQuery. so

document.getElementById('UserAgent').value = navigator.userAgent;

Answer 2

Pure Javascript

document.getElementById('UserAgent').value = navigator.userAgent;

<input type="text" id="UserAgent">

jQuery

$('#UserAgent').val(navigator.userAgent);

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>

<input type="text" id="UserAgent">