Confirm with user that they are about to leave the current site. (security confirmation for banking industry)

confirm-external-links.js

// hide all mailto links and gform anchors from external link checker
$('a[href^="mailto:"]').addClass('remove-arrow');
$('a[href^="tel:"]').addClass('remove-arrow');
$('.staff a').addClass('remove-arrow');
$('a.gform_anchor').addClass('remove-arrow');
$('.calc.modal a').addClass('remove-arrow');
$('.cta-slim .btn a').addClass('remove-arrow');

//check for external links
function link_is_external(link_element) {
    return (link_element.host !== window.location.host);
}
$('a').each(function() {
    if ( $(this).hasClass('remove-arrow') ) {
        // nada
    } else {
        if (link_is_external(this)) {
            // show the link is extrenal
            $(this)
            .append('&nbsp;&nbsp;<i class="fa fa-external-link"></i>')
            .addClass('external-link');
        }
    }
    if (link_is_external(this)) {
        // all links that are external get confirmed (except elements with .no-speed-bump)
        if ( $(this).hasClass('no-speed-bump') ) {
            // nada
        } else {
            $(this).attr('target', '_blank');
            $(this).attr('onClick', 'var m = "You are leaving Foundation Bank: " + $(this).attr("href"); return confirm(m);');
        }
    }
    
});
// confirm on external link click
function confirmExternalLink(item){
    var url = $(item).attr('href');
    var m = "You are leaving Foundation Bank: " + $(item).attr('href');
    var r = confirm(message);
    if (r == true) {
        return true;
    } else {
        return false;
    }
}