How Toastr JS works !!! Very easy - Just follow these 3 steps #Alert #Notification

1 - Include JS CSS in your HTML Page 
CSS - https://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/css/toastr.css
JS -  https://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/js/toastr.min.js

2 - Master/Global/Container page add below code - Options of Toastr 
toastr.options = {
        "closeButton": true,
        "debug": false,
        "newestOnTop": false,
        "progressBar": false,
        "positionClass": "toast-bottom-full-width",
        "preventDuplicates": false,
        "onclick": null,
        "showDuration": "300",
        "preventDuplicates": true,
        "hideDuration": "1000",
        "timeOut": "0",
        "extendedTimeOut": "1000",
        "showEasing": "swing",
        "hideEasing": "linear",
        "showMethod": "fadeIn",
        "hideMethod": "fadeOut"
};

3 - Page level below command we can use depending on your message type
Info - toastr["info"]('msg');
Success - toastr["success"]('msg');
Error - toastr["error"]('msg');
toastr["warning"]('msg');