Detect Instagram Browser
JavaScript
var ua = navigator.userAgent || navigator.vendor || window.opera;
var isInstagram = (ua.indexOf('Instagram') > -1) ? true : false;
if (document.documentElement.classList ){
if (isInstagram) {
window.document.body.classList.add('instagram-browser');
// alert("debugging within the Instagram in-app browser");
alert('tsuh');
}
}