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Show different types of toast

The Essential JS 2 toast has the following predefined styles that can be defined using the cssClass property for achieving different types of toast:

Class Description
e-toast-success Represents a positive toast
e-toast-info Represents an informative toast
e-toast-warning Represents a toast with caution
e-toast-danger Represents a negative toast
Source
Preview
index.ts
index.html
import {Toast, ToastModel} from '@syncfusion/ej2-notifications';
import { enableRipple } from '@syncfusion/ej2-base';

enableRipple(true);

let toasts: ToastModel[] = [
  { title: 'Warning !', content: 'There was a problem with your network connection.', cssClass: 'e-toast-warning' },
  { title: 'Success !', content: 'Your message has been sent successfully.', cssClass: 'e-toast-success'},
  { title: 'Error !', content: 'A problem has been occurred while submitting your data.', cssClass: 'e-toast-danger' },
  { title: 'Information !', content: 'Please read the comments carefully.', cssClass: 'e-toast-info' }
];
let toastFlag: number = 0;
let toast: Toast = new Toast({
    position: { X: 'Right', Y: 'Bottom' }
});
toast.appendTo('#element');
toast.show(toasts[toastFlag]);
++toastFlag;

document.getElementById('show_toast').onclick = () => {
  toast.show(toasts[toastFlag]);
  ++toastFlag;
  if (toastFlag === (toasts.length)) {
      toastFlag = 0;
  }
}
<!DOCTYPE html>
<html lang="en">

<head>
    <title>Essential JS 2 Toast</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript Toolbar Controls" />
    <meta name="author" content="Syncfusion" />
    <link href="//cdn.syncfusion.com/ej2/material.css" rel="stylesheet" />
    <link href="index.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='loader'>LOADING....</div>
    <div id='container'>
        <div class='row'> <button class="e-btn" id="show_toast"> Show Toast</button> </div>
        <div id='element'></div>
        <br/><br/>
        <div id='result'></div>
    </div>
</body>

</html>