Alert in only certain browser

Question

It is only possible with Javascript and HTML to make one appear alert only and only when the user is browsing through Internet Explorer?

For example when browsing Google Chrome alert does not appear, but when browsing Internet Explorer

Answer 1

It is possible to get browser properties:

function identificarBrowse() {
    var nav = navigator.userAgent.toLowerCase();
    if (nav.indexOf("msie") != -1) {
        alert("IE");
    }
}

Note

The way to identify IE11 has been changed, I used Joachim’s solution:

• https://stackoverflow.com/a/17907562/3444041

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Jsfiddle: https://jsfiddle.net/lbclucascosta/bxekLzaz/3/