Detect browser using simple javascript

Detect browser using simple javascript.

by Oscar Jara

HTML

<input type="button" style="cursor:pointer;" id="btn" name="btn" value="Detect browser!"/>

JavaScript

var btn = document.getElementById('btn');

btn.onclick = function() {
    var isChrome = /Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor);
    var isSafari = /Safari/.test(navigator.userAgent) && /Apple Computer/.test(navigator.vendor);
    
    if (isChrome) alert("You are using Chrome!");
    if (isSafari) alert("You are using Safari!");
};