phpvms/public/vendor/popper.js/packages/test-utils/utils/isMSBrowser.js
2017-08-15 18:07:14 -05:00

27 lines
725 B
JavaScript

// https://codepen.io/FezVrasta/pen/YVBoEN
export default function isMSBrowser() {
const ua = window.navigator.userAgent;
const msie = ua.indexOf('MSIE ');
if (msie > 0) {
// IE 10 or older => return version number
return parseInt(ua.substring(msie + 5, ua.indexOf('.', msie)), 10);
}
const trident = ua.indexOf('Trident/');
if (trident > 0) {
// IE 11 => return version number
const rv = ua.indexOf('rv:');
return parseInt(ua.substring(rv + 3, ua.indexOf('.', rv)), 10);
}
const edge = ua.indexOf('Edge/');
if (edge > 0) {
// Edge (IE 12+) => return version number
return parseInt(ua.substring(edge + 5, ua.indexOf('.', edge)), 10);
}
// other browser
return false;
}