bookmarklet.js

javascript:(function() { function getText() { var text = $('textarea[data-id*=description]').text(); return text; }  function viewDescription() { var alertText = { text: getText(), title: "Description" }; var alertOptions = { height: '90%', width: '90%' }; Xrm.Navigation.openAlertDialog(alertText, alertOptions); setTimeout(() => $('span[id*=dialogMessageTextLine]').css('margin-top', '5px'), 300); }  viewDescription(); })();

snippet.js

function getText() {
    var text = $('textarea[data-id*=description]').text();
    return text;
}

function viewDescription() {
    var alertText = { 
        text: getText(), 
        title: "Description" 
    };

    var alertOptions = { height: '90%', width: '90%' };


    Xrm.Navigation.openAlertDialog(alertText, alertOptions).then(
        function success(result) {
            console.log("Alert dialog closed");
        },
        function (error) {
            console.log(error.message);
        }
    );
    setTimeout(() => $('span[id*=dialogMessageTextLine]')
        .css('margin-top', '5px'), 300);
}

viewDescription();