copy the /toast directory somewhere in your project and link to both files in your HTML
...
<head>
...
<link rel="stylesheet" href="/{your_dir}/toast/toast.css">
</head>
<body>
...
<script src="/{your_dir}/toast/toast.js"></script>
...
</body>
...Create an instance of the Toast class and pass an object with options as a parameter
let toast = new Toast({
message: 'Yep, works!',
type: 'success',
position: 'top',
duration: 'short',
});The options are
/**
* {String} message - Message to display in the toast
* {String} duration - Duration of the toast (long, short)
* {String} type - Type of the toast (success, error, warning, info)
* {String} position - Position of the toast (top, bottom)
*/finally call the show() function
toast.show();