detect ie code example
Example 1: javascript detect internet explorer
const isIE = !!document.documentMode;
Example 2: javascript check if browser is ie
var ua = window.navigator.userAgent;
var msie = ua.indexOf('MSIE ');
if (msie > 0) {
return parseInt(ua.substring(msie + 5, ua.indexOf('.', msie)), 10);
}
var ua = window.navigator.userAgent;
var trident = ua.indexOf('Trident/');
if (trident > 0) {
var rv = ua.indexOf('rv:');
return parseInt(ua.substring(rv + 3, ua.indexOf('.', rv)), 10);
}
var ua = window.navigator.userAgent;
var edge = ua.indexOf('Edge/');
if (edge > 0) {
return parseInt(ua.substring(edge + 5, ua.indexOf('.', edge)), 10);
}